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McClendon LK, Lanz RB, Panigrahi A, Gomez K, Bolt MJ, Liu M, Stossi F, Mancini MA, Dacso CC, Lonard DM, O'Malley BW. Transcriptional coactivation of NRF2 signaling in cardiac fibroblasts promotes resistance to oxidative stress. J Mol Cell Cardiol 2024; 194:70-84. [PMID: 38969334 DOI: 10.1016/j.yjmcc.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 06/17/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
We recently discovered that steroid receptor coactivators (SRCs) SRCs-1, 2 and 3, are abundantly expressed in cardiac fibroblasts (CFs) and their activation with the SRC small molecule stimulator MCB-613 improves cardiac function and dramatically lowers pro-fibrotic signaling in CFs post-myocardial infarction. These findings suggest that CF-derived SRC activation could be beneficial in the mitigation of chronic heart failure after ischemic insult. However, the cardioprotective mechanisms by which CFs contribute to cardiac pathological remodeling are unclear. Here we present studies designed to identify the molecular and cellular circuitry that governs the anti-fibrotic effects of an MCB-613 derivative, MCB-613-10-1, in CFs. We performed cytokine profiling and whole transcriptome and proteome analyses of CF-derived signals in response to MCB-613-10-1. We identified the NRF2 pathway as a direct MCB-613-10-1 therapeutic target for promoting resistance to oxidative stress in CFs. We show that MCB-613-10-1 promotes cell survival of anti-fibrotic CFs exposed to oxidative stress by suppressing apoptosis. We demonstrate that an increase in HMOX1 expression contributes to CF resistance to oxidative stress-mediated apoptosis via a mechanism involving SRC co-activation of NRF2, hence reducing inflammation and fibrosis. We provide evidence that MCB-613-10-1 acts as a protectant against oxidative stress-induced mitochondrial damage. Our data reveal that SRC stimulation of the NRF2 transcriptional network promotes resistance to oxidative stress and highlights a mechanistic approach toward addressing pathologic cardiac remodeling.
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Affiliation(s)
- Lisa K McClendon
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Rainer B Lanz
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Anil Panigrahi
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Kristan Gomez
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Michael J Bolt
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Min Liu
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Fabio Stossi
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Michael A Mancini
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Clifford C Dacso
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - David M Lonard
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
| | - Bert W O'Malley
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, United States of America.
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2
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Marshall Moscon S, Neely E, Proctor E, Connor J. A common variant in the iron regulatory gene (Hfe) alters the metabolic and transcriptional landscape in brain regions vulnerable to neurodegeneration. J Neurochem 2024. [PMID: 39072788 DOI: 10.1111/jnc.16171] [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: 04/03/2024] [Revised: 05/13/2024] [Accepted: 06/19/2024] [Indexed: 07/30/2024]
Abstract
The role of iron dyshomeostasis in neurodegenerative disease has implicated the involvement of genes that regulate brain iron. The homeostatic iron regulatory gene (HFE) has been at the forefront of these studies given the role of the H63D variant (H67D in mice) in increasing brain iron load. Despite iron's role in oxidative stress production, H67D mice have shown robust protection against neurotoxins and improved recovery from intracerebral hemorrhage. Previous data support the notion that H67D mice adapt to the increased brain iron concentrations and hence develop a neuroprotective environment. This adaptation is particularly evident in the lumbar spinal cord (LSC) and ventral midbrain (VM), both relevant to neurodegeneration. We studied C57BL6/129 mice with homozygous H67D compared to WT HFE. Immunohistochemistry was used to analyze dopaminergic (in the VM) and motor (in the LSC) neuron population maturation in the first 3 months. Immunoblotting was used to measure protein carbonyl content and the expression of oxidative phosphorylation complexes. Seahorse assay was used to analyze metabolism of mitochondria isolated from the LSC and VM. Finally, a Nanostring transcriptomic analysis of genes relevant to neurodegeneration within these regions was performed. Compared to WT mice, we found no difference in the viability of motor neurons in the LSC, but the dopaminergic neurons in H67D mice experienced significant decline before 3 months of age. Both regions in H67D mice had alterations in oxidative phosphorylation complex expression indicative of stress adaptation. Mitochondria from both regions of H67D mice demonstrated metabolic differences compared to WT. Transcriptional differences in these regions of H67D mice were related to cell structure and adhesion as well as cell signaling. Overall, we found that the LSC and VM undergo significant and distinct metabolic and transcriptional changes in adaptation to iron-related stress induced by the H67D HFE gene variant.
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Affiliation(s)
- Savannah Marshall Moscon
- Department of Neurosurgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
| | - Elizabeth Neely
- Department of Neurosurgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
| | - Elizabeth Proctor
- Department of Neurosurgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
| | - James Connor
- Department of Neurosurgery, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
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3
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Guevara C, Vicencio SC, Pizarro IS, Villavicencio-Tejo F, Quintanilla RA, Astudillo P, Ampuero E, Varas R, Orellana JA, Ortiz FC. Evidence for TGF-β1/Nrf2 Signaling Crosstalk in a Cuprizone Model of Multiple Sclerosis. Antioxidants (Basel) 2024; 13:914. [PMID: 39199160 PMCID: PMC11351764 DOI: 10.3390/antiox13080914] [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: 07/15/2024] [Accepted: 07/25/2024] [Indexed: 09/01/2024] Open
Abstract
Multiple sclerosis (MS) is a chronic and degenerative disease that impacts central nervous system (CNS) function. One of the major characteristics of the disease is the presence of regions lacking myelin and an oxidative and inflammatory environment. TGF-β1 and Nrf2 proteins play a fundamental role in different oxidative/inflammatory processes linked to neurodegenerative diseases such as MS. The evidence from different experimental settings has demonstrated a TGF-β1-Nrf2 signaling crosstalk under pathological conditions. However, this possibility has not been explored in experimental models of MS. Here, by using the cuprizone-induced demyelination model of MS, we report that the in vivo pharmacological blockage of the TGF-β1 receptor reduced Nrf2, catalase, and TGFβ-1 protein levels in the demyelination phase of cuprizone administration. In addition, ATP production, locomotor function and cognitive performance were diminished by the treatment. Altogether, our results provide evidence for a crosstalk between TGF-β1 and Nrf2 signaling pathways under CNS demyelination, highlighting the importance of the antioxidant cellular response of neurodegenerative diseases such as MS.
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Affiliation(s)
- Coram Guevara
- Mechanisms of Myelin Formation and Repair Laboratory, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile
| | - Sinay C. Vicencio
- Mechanisms of Myelin Formation and Repair Laboratory, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile
| | - Ignacio S. Pizarro
- Mechanisms of Myelin Formation and Repair Laboratory, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile
| | - Francisca Villavicencio-Tejo
- Laboratory of Neurodegenerative Diseases, Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 8910060, Chile (R.A.Q.)
| | - Rodrigo A. Quintanilla
- Laboratory of Neurodegenerative Diseases, Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 8910060, Chile (R.A.Q.)
| | - Pablo Astudillo
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 8910060, Chile
| | - Estibaliz Ampuero
- Laboratorio Neurofarmacología del Comportamiento, Facultad de Química y Biología, Universidad de Santiago, Santiago9170022, Chile
| | - Rodrigo Varas
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 8910060, Chile
| | - Juan A. Orellana
- Departamento de Neurología, Escuela de Medicina, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
- Centro Interdisciplinario de Neurociencias, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
| | - Fernando C. Ortiz
- Mechanisms of Myelin Formation and Repair Laboratory, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile
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4
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Weindel CG, Ellzey LM, Coleman AK, Patrick KL, Watson RO. LRRK2 kinase activity restricts NRF2-dependent mitochondrial protection in microglia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.09.602769. [PMID: 39026883 PMCID: PMC11257505 DOI: 10.1101/2024.07.09.602769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Mounting evidence supports a critical role for central nervous system (CNS) glial cells in neuroinflammation and neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's Disease (PD), Multiple Sclerosis (MS), as well as neurovascular ischemic stroke. Previously, we found that loss of the PD-associated gene leucine-rich repeat kinase 2 (Lrrk2) in macrophages, peripheral innate immune cells, induced mitochondrial stress and elevated basal expression of type I interferon (IFN) stimulated genes (ISGs) due to chronic mitochondrial DNA engagement with the cGAS/STING DNA sensing pathway. Here, we report that loss of LRRK2 results in a paradoxical response in microglial cells, a CNS-specific macrophage population. In primary murine microglia and microglial cell lines, loss of Lrrk2 reduces tonic IFN signaling leading to a reduction in ISG expression. Consistent with reduced type I IFN, mitochondria from Lrrk2 KO microglia are protected from stress and have elevated metabolism. These protective phenotypes involve upregulation of NRF2, an important transcription factor in the response to oxidative stress and are restricted by LRRK2 kinase activity. Collectively, these findings illustrate a dichotomous role for LRRK2 within different immune cell populations and give insight into the fundamental differences between immune regulation in the CNS and the periphery.
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Affiliation(s)
- Chi G Weindel
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health Science Center, Texas A&M School of Medicine, TX, 77807, USA
| | - Lily M Ellzey
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health Science Center, Texas A&M School of Medicine, TX, 77807, USA
| | - Aja K Coleman
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health Science Center, Texas A&M School of Medicine, TX, 77807, USA
| | - Kristin L Patrick
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health Science Center, Texas A&M School of Medicine, TX, 77807, USA
| | - Robert O Watson
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health Science Center, Texas A&M School of Medicine, TX, 77807, USA
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5
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Huang D, Ovcharenko I. The contribution of silencer variants to human diseases. Genome Biol 2024; 25:184. [PMID: 38978133 PMCID: PMC11232194 DOI: 10.1186/s13059-024-03328-1] [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: 12/18/2023] [Accepted: 06/28/2024] [Indexed: 07/10/2024] Open
Abstract
BACKGROUND Although disease-causal genetic variants have been found within silencer sequences, we still lack a comprehensive analysis of the association of silencers with diseases. Here, we profiled GWAS variants in 2.8 million candidate silencers across 97 human samples derived from a diverse panel of tissues and developmental time points, using deep learning models. RESULTS We show that candidate silencers exhibit strong enrichment in disease-associated variants, and several diseases display a much stronger association with silencer variants than enhancer variants. Close to 52% of candidate silencers cluster, forming silencer-rich loci, and, in the loci of Parkinson's-disease-hallmark genes TRIM31 and MAL, the associated SNPs densely populate clustered candidate silencers rather than enhancers displaying an overall twofold enrichment in silencers versus enhancers. The disruption of apoptosis in neuronal cells is associated with both schizophrenia and bipolar disorder and can largely be attributed to variants within candidate silencers. Our model permits a mechanistic explanation of causative SNP effects by identifying altered binding of tissue-specific repressors and activators, validated with a 70% of directional concordance using SNP-SELEX. Narrowing the focus of the analysis to individual silencer variants, experimental data confirms the role of the rs62055708 SNP in Parkinson's disease, rs2535629 in schizophrenia, and rs6207121 in type 1 diabetes. CONCLUSIONS In summary, our results indicate that advances in deep learning models for the discovery of disease-causal variants within candidate silencers effectively "double" the number of functionally characterized GWAS variants. This provides a basis for explaining mechanisms of action and designing novel diagnostics and therapeutics.
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Affiliation(s)
- Di Huang
- Intramural Research Program, National Library of Medicine, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ivan Ovcharenko
- Intramural Research Program, National Library of Medicine, National Institutes of Health, Bethesda, MD, 20892, USA.
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6
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Kumar Saini S, Singh D. Mitochondrial mechanisms in Cerebral Ischemia-Reperfusion Injury: Unravelling the intricacies. Mitochondrion 2024; 77:101883. [PMID: 38631511 DOI: 10.1016/j.mito.2024.101883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 04/05/2024] [Accepted: 04/13/2024] [Indexed: 04/19/2024]
Abstract
Cerebral ischemic stroke is a major contributor to physical impairments and premature death worldwide. The available reperfusion therapies for stroke in the form of mechanical thrombectomy and intravenous thrombolysis increase the risk of cerebral ischemia-reperfusion (I-R) injury due to sudden restoration of blood supply to the ischemic region. The injury is manifested by hemorrhagic transformation, worsening of neurological impairments, cerebral edema, and progression to infarction in surviving patients. A complex network of multiple pathological processes has been known to be involved in the pathogenesis of I-R injury. Primarily, 3 major contributors namely oxidative stress, neuroinflammation, and mitochondrial failure have been well studied in I-R injury. A transcription factor, Nrf2 (Nuclear factor erythroid 2-related factor 2) plays a crucial defensive role in resisting the deleterious effects of I-R injury and potentiating the cellular protective mechanisms. In this review, we delve into the critical function of mitochondria and Nrf2 in the context of cerebral I-R injury. We summarized how oxidative stress, neuroinflammation, and mitochondrial anomaly contribute to the pathophysiology of I-R injury and further elaborated the role of Nrf2 as a pivotal guardian of cellular integrity. The review further highlighted Nrf2 as a putative therapeutic target for mitochondrial dysfunction in cerebral I-R injury management.
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Affiliation(s)
- Shiv Kumar Saini
- Pharmacology and Toxicology Laboratory, Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Damanpreet Singh
- Pharmacology and Toxicology Laboratory, Dietetics and Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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7
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Awad MM, El-Gohary RM, Ibrahim S, Abdel Ghafar MT, Farghal EE, Aboalsoud A, El-Shaer RAA. Potential mitigating impact of a dipeptidyl peptidase-IV inhibitor, vildagliptin, on oxazolone-induced ulcerative colitis: Targeting the role of PI3K/AKT/mTOR and AMPK/Nrf2 signaling pathways. Int Immunopharmacol 2024; 133:112110. [PMID: 38652960 DOI: 10.1016/j.intimp.2024.112110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/28/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Growing evidence suggests that phosphoinositide 3-kinase (PI3K) and adenosine monophosphate-activated protein kinase (AMPK) signaling cascades are critical in ulcerative colitis (UC) pathophysiology by influencing gut mucosal inflammation. Recently, the coloprotective properties of dipeptidyl peptidase-IV (DPP-IV) inhibitors have emerged. Thus, this study assessed for the first time the potential mitigating impact of a DPP-IV inhibitor, vildagliptin (Vilda), on oxazolone (OXZ)-induced colitis in rats, targeting the role of PI3K/AKT/mTOR and AMPK/Nrf2 pathways. Thirty-two adult Albino rats were divided into four groups: control, Vilda (10 mg/kg/day orally), OXZ (300 µL of 5 % OXZ in 50 % aqueous ethanol solution introduced once into the colon via catheter), and Vilda+OXZ. Inflammatory cytokines (interleukin 13, tumor necrosis factor-α, interleukin 10), oxidative/endoplasmic reticulum stress markers (myeloperoxidase, reduced glutathione, catalase, CHOP), mitochondrial reactive oxygen species, adenosine triphosphate levels, and mitochondrial transmembrane potential were estimated. p-AMPK, p-AKT, beclin-1, and SQSTM1 levels were immunoassayed. Nrf2, PI3K, and mTOR expression levels were quantified using the real-time polymerase chain reaction. Furthermore, p-NF-ĸBp65 and LC3II immunoreactivity were evaluated. Vilda administration effectively ameliorated OXZ-induced colitis, as evidenced by the reduced Disease Activity Index, macroscopic colon damage score, colon weight/length ratio, ulcer index, and histopathological and electron microscopic changes in the colon tissues. Vilda treatment also counteracted OXZ-triggered inflammation, oxidative/endoplasmic reticulum stress, mitochondrial dysfunction, and enhanced autophagy in the colon. Vilda substantially suppressed PI3K/AKT/mTOR and activated the AMPK/Nrf2 pathway. Vilda has potent coloprotective and anti-ulcerogenic properties, primarily attributed to its antiinflammatory, antioxidant, and modulatory impact on mitochondrial dysfunction and autophagy activity. These effects were mostly mediated by suppressing PI3K/AKT/mTOR and activating AMPK/Nrf2 signaling cascades, suggesting a potential role of Vilda in UC therapy.
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Affiliation(s)
- Marwa Mahmoud Awad
- Physiology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.
| | - Rehab M El-Gohary
- Medical Biochemistry Department, Faculty of Medicine,Tanta University,Tanta, Egypt.
| | - Sarah Ibrahim
- Human Anatomy and Embryology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.
| | | | - Eman E Farghal
- Clinical Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.
| | - Alshimaa Aboalsoud
- Pharmacology Depatrtment, Faculty of Medicine, Tanta University, Tanta, Egypt.
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8
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Yao MF, Dang T, Wang HJ, Zhu XZ, Qiao C. Mitochondrial homeostasis regulation: A promising therapeutic target for Parkinson's disease. Behav Brain Res 2024; 459:114811. [PMID: 38103871 DOI: 10.1016/j.bbr.2023.114811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/10/2023] [Accepted: 12/10/2023] [Indexed: 12/19/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disease characterized by progressive loss of dopaminergic (DA) neurons in the substantia nigra pars compacta (SNc) and the presence of Lewy bodies (LBs) or Lewy neurites (LNs) which consist of α-synuclein (α-syn) and a complex mix of other biomolecules. Mitochondrial dysfunction is widely believed to play an essential role in the pathogenesis of PD and other related neurodegenerative diseases. But mitochondrial dysfunction is subject to complex genetic regulation. There is increasing evidence that PD-related genes directly or indirectly affect mitochondrial integrity. Therefore, targeted regulation of mitochondrial function has great clinical application prospects in the treatment of PD. However, lots of PD drugs targeting mitochondria have been developed but their clinical therapeutic effects are not ideal. This review aims to reveal the role of mitochondrial dysfunction in the pathogenesis of neurodegenerative diseases based on the mitochondrial structure and function, which may highlight potential interventions and therapeutic targets for the development of PD drugs to recover mitochondrial dysfunction in neurodegenerative diseases.
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Affiliation(s)
- Meng-Fan Yao
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Tao Dang
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Hua-Jun Wang
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Xiao-Zhong Zhu
- Department of Cardiothoracic Surgery, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China
| | - Chen Qiao
- Department of Clinical Pharmabcy, the Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu 212001, China; College of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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9
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Sarkar A, Singh MP. A Complex Interplay of DJ-1, LRRK2, and Nrf2 in the Regulation of Mitochondrial Function in Cypermethrin-Induced Parkinsonism. Mol Neurobiol 2024; 61:953-970. [PMID: 37674036 DOI: 10.1007/s12035-023-03591-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/16/2023] [Indexed: 09/08/2023]
Abstract
Cypermethrin impairs mitochondrial function, induces redox imbalance, and leads to Parkinsonism in experimental animals. Knockdown of deglycase-1 (DJ-1) gene, which encodes a redox-sensitive antioxidant protein, aggravates cypermethrin-mediated α-synuclein overexpression and oxidative alteration of proteins. DJ-1 is also reported to be essential for maintaining stability of nuclear factor erythroid 2-related factor 2 (Nrf2), shielding cells against oxidative insult. Leucine-rich repeat kinase 2 (LRRK2), another protein associated with Parkinson's disease, is also involved in regulating mitochondrial function. However, underlying molecular mechanisms remain elusive. The study intended to explore an interaction of DJ-1, LRRK2, and Nrf2 in the regulation of mitochondrial function in cypermethrin-induced Parkinsonism. Small interfering RNA-mediated knockdown of DJ-1 and LRRK2 gene and pharmacological activation of Nrf2 were performed in rats and/or human neuroblastoma cells with or without cypermethrin. Indexes of oxidative stress, mitochondrial impairment, and Parkinsonism along with α-synuclein expression, post-translational modification, and aggregation were measured. DJ-1 gene knockdown exacerbated cypermethrin-induced increase in oxidative stress and intrinsic apoptosis and reduction in expression of mitochondrial antioxidant proteins via inhibiting nuclear translocation of Nrf2. Additionally, cypermethrin-induced oxidative stress, mitochondrial impairment, and α-synuclein expression and aggregation were found to be suppressed by LRRK2 gene knockdown, by promoting Nrf2 nuclear translocation and expression of mitochondrial antioxidant proteins. Furthermore, Nrf2 activator, sulforaphane, ameliorated cypermethrin-induced mitochondrial impairment and oxidative stress and provided protection against dopaminergic neuronal death. The findings indicate that DJ-1 and LRRK2 independently alter Nrf2-mediated changes and a complex interplay among DJ-1, LRRK2, and Nrf2 exists in the regulation of mitochondrial function in cypermethrin-induced Parkinsonism.
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Affiliation(s)
- Alika Sarkar
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Mahendra Pratap Singh
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
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10
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Liu G, Zhou W, Zhang X, Zhu J, Xu X, Li Y, Zhang J, Wen C, Liang L, Liu X, Xu X. Toxicity and oxidative stress of HepG2 and HL-7702 cells induced by PAH4 using oil as a carrier. Food Res Int 2024; 178:113988. [PMID: 38309887 DOI: 10.1016/j.foodres.2024.113988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 02/05/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs), a widespread class of food pollutants, are commonly exposed to humans along with edible oil. The dietary exposure pattern of PAH4 was simulated to study the toxicity and oxidative stress of oil-based PAH4 on hepatocytes. The findings demonstrated that oil-based PAH4 induced cell viability and mitochondrial membrane potential decreased and promoted apoptosis and oxidative stress in a concentration-dependent manner. Benzo[a]pyrene had the strongest toxicity and HL-7702 cells were more sensitive to toxicity than HepG2 cells, due to differences in induced CYP1A enzyme activity. Oil-based PAH4 had greater cytotoxicity than PAH4, attributed to the synergistic effect of oil and PAH4. Furthermore, oil-based PAH4 induced oxidative stress in HepG2 and HL-7702 cells through the same AHR-Nrf2-KEAP1 pathway, which was elucidated by detecting genes and proteins expression. This study lays the foundation for elucidating the harm of dietary exposure to PAHs and reminds us that food composition may increase the harm of PAHs.
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Affiliation(s)
- Guoyan Liu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Wanli Zhou
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Xu Zhang
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Jie Zhu
- School of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, China
| | - Xiaowei Xu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Youdong Li
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Jixian Zhang
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Chaoting Wen
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Li Liang
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Xiaofang Liu
- School of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, China.
| | - Xin Xu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China.
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11
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Al-Kuraishy HM, Al-Gareeb AI, Eldahshan OA, Abdelkhalek YM, El Dahshan M, Ahmed EA, Sabatier JM, Batiha GES. The possible role of nuclear factor erythroid-2-related factor 2 activators in the management of Covid-19. J Biochem Mol Toxicol 2024; 38:e23605. [PMID: 38069809 DOI: 10.1002/jbt.23605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 07/06/2023] [Accepted: 11/21/2023] [Indexed: 01/18/2024]
Abstract
COVID-19 is caused by a novel SARS-CoV-2 leading to pulmonary and extra-pulmonary manifestations due to oxidative stress (OS) development and hyperinflammation. COVID-19 is primarily asymptomatic though it may cause acute lung injury (ALI), acute respiratory distress syndrome (ARDS), systemic inflammation, and thrombotic events in severe cases. SARS-CoV-2-induced OS triggers the activation of different signaling pathways, which counterbalances this complication. One of these pathways is nuclear factor erythroid 2-related factor 2 (Nrf2), which induces a series of cellular interactions to mitigate SARS-CoV-2-mediated viral toxicity and OS-induced cellular injury. Nrf2 pathway inhibits the expression of pro-inflammatory cytokines and the development of cytokine storm in COVID-19. Therefore, Nrf2 activators may play an essential role in reducing SARS-CoV-2 infection-induced inflammation by suppressing NLRP3 inflammasome in COVID-19. Furthermore, Nrf2 activators can attenuate endothelial dysfunction (ED), renin-angiotensin system (RAS) dysregulation, immune thrombosis, and coagulopathy. Thus this mini-review tries to clarify the possible role of the Nrf2 activators in the management of COVID-19. Nrf2 activators could be an effective therapeutic strategy in the management of Covid-19. Preclinical and clinical studies are recommended in this regard.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Iraq
| | - Ali I Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Iraq
| | - Omayma A Eldahshan
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, Egypt
| | | | - Magdy El Dahshan
- Department of Internal Medicine, Faculty of Medicine, Al Azhar University, Cairo, Egypt
| | - Eman A Ahmed
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Jean-Marc Sabatier
- Institut de Neurophysiopathologie (INP), CNRS UMR 7051, Faculté des Sciences Médicales et Paramédicales, Aix-Marseille Université, Marseille, France
| | - Gaber E-S Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, AlBeheira, Egypt
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12
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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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13
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Helmuth TB, Kumari R, Palsa K, Neely EB, Slagle-Webb B, Simon SD, Connor JR. Common Mutation in the HFE Gene Modifies Recovery After Intracerebral Hemorrhage. Stroke 2023; 54:2886-2894. [PMID: 37750297 PMCID: PMC10996156 DOI: 10.1161/strokeaha.123.043799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/21/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Intracerebral hemorrhage (ICH) is characterized by bleeding into the brain parenchyma. During an ICH, iron released from the breakdown of hemoglobin creates a cytotoxic environment in the brain through increased oxidative stress. Interestingly, the loss of iron homeostasis is associated with the pathological process of other neurological diseases. However, we have previously shown that the H63D mutation in the homeostatic iron regulatory (HFE) gene, prevalent in 28% of the White population in the United States, acts as a disease modifier by limiting oxidative stress. The following study aims to examine the effects of the murine homolog, H67D HFE, on ICH. METHODS An autologous blood infusion model was utilized to create an ICH in the right striatum of H67D and wild-type mice. The motor recovery of each animal was assessed by rotarod. Neurodegeneration was measured using fluorojade-B and mitochondrial damage was assessed by immunofluorescent numbers of CytC+ (cytochrome C) neurons and CytC+ astrocytes. Finally, the molecular antioxidant response to ICH was quantified by measuring Nrf2 (nuclear factor-erythroid 2 related factor), GPX4 (glutathione peroxidase 4), and FTH1 (H-ferritin) levels in the ICH-affected and nonaffected hemispheres via immunoblotting. RESULTS At 3 days post-ICH, H67D mice demonstrated enhanced performance on rotarod compared with wild-type animals despite no differences in lesion size. Additionally, H67D mice displayed higher levels of Nrf2, GPX4, and FTH1 in the ICH-affected hemisphere; however, these levels were not different in the contralateral, non-ICH-affected hemisphere. Furthermore, H67D mice showed decreased degenerated neurons, CytC+ Neurons, and CytC+ astrocytes in the perihematomal area. CONCLUSIONS Our data suggest that the H67D mutation induces a robust antioxidant response 3 days following ICH through Nrf2, GPX4, and FTH1 activation. This activation could explain the decrease in degenerated neurons, CytC+ neurons, and CytC+ astrocytes in the perihematomal region, leading to the improved motor recovery. Based on this study, further investigation into the mechanisms of this neuroprotective response and the effects of the H63D HFE mutation in a population of patients with ICH is warranted.
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Affiliation(s)
- Timothy B Helmuth
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
| | - Rashmi Kumari
- Department of Neural and Behavioral Sciences (R.K.), Penn State College of Medicine, Hershey, PA
| | - Kondaiah Palsa
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
| | - Elizabeth B Neely
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
| | - Becky Slagle-Webb
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
| | - Scott D Simon
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
| | - James R Connor
- Department of Neurosurgery (T.B.H., K.P., E.B.N., B.S.-W., S.D.S., J.R.C.), Penn State College of Medicine, Hershey, PA
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14
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Ma Y, Wang Z, Hu Y. Insight into Nrf2: a bibliometric and visual analysis from 2000 to 2022. Front Genet 2023; 14:1266680. [PMID: 37779908 PMCID: PMC10540848 DOI: 10.3389/fgene.2023.1266680] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/06/2023] [Indexed: 10/03/2023] Open
Abstract
Background: Nrf2 plays a pivotal role in governing the antioxidant defense system, triggering the transcription of diverse genes involved in cellular protection. Its role in mitigating oxidative damage and modulating inflammatory processes has made Nrf2 an attractive target for therapeutic interventions. Despite the growing interest in Nrf2 research, a bibliometric analysis is relatively rare. This study aimed to clarify Nrf2's role in multiple diseases, identify emerging trends and hotspots using bibliometric analysis, and provide valuable insights and potential directions for future therapeutic interventions. Methods: The Science Citation Index of Web of Science Core library from 2000 to 2022 was searched on 22 October 2022. Use Microsoft Excel, CiteSpace, Bibliometrix, and VOS viewers for data collection and visualization of research focus and trends. Results: A vast collection of 22,040 research studies on Nrf2 published between 2000 and 2022 were identified. Nrf2 research has seen significant growth globally from 2000 to 2022. China leaded in publication numbers (9,623, 43.66%), while the United States dominated in citation frequency with 261,776 citations. China Medical University was the most productive institutions (459, 2.08%). Masayuki Yamamoto topped in publications (307), while Itoh K. ranked first in citations with 3669. Free Radical Biology and Medicine was the journal with the most studies and citations on Nrf2 (613, 29,687 citations). The analysis of keyword clustering enhanced the categorization of topics and can be summarized as oxidative stress, cancer, disorders in glycolipid metabolism, inflammation, and neurological conditions. Conclusion: China and the United States are the pioneers in Nrf2 research. Recently, there has been a comprehensive exploration of Nrf2 involving both experimental and clinical aspects, as well as mechanisms and therapeutic applications. Investigating novel molecular mechanisms, including NF-κB, Ho1, and Keap1, and developing enhanced, targeted Nrf2 activators or inhibitors to uncover the interplay among cancer, glycolipid metabolic disorder, inflammation, and neurological disorders will be upcoming trends and hotspots.
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Affiliation(s)
- Yawei Ma
- Department of Ophthalmology, The First Hospital of China Medical University, Shenyang, China
| | - Zhongqing Wang
- Department of Information Center, The First Hospital of China Medical University, Shenyang, China
| | - Yuedong Hu
- Department of Ophthalmology, The First Hospital of China Medical University, Shenyang, China
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15
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Fasipe B, Li S, Laher I. Exercise and vascular function in sedentary lifestyles in humans. Pflugers Arch 2023:10.1007/s00424-023-02828-6. [PMID: 37272982 DOI: 10.1007/s00424-023-02828-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/06/2023]
Abstract
People with sedentary lifestyles engage in minimal or no physical activity. A sedentary lifestyle promotes dysregulation of cellular redox balance, diminishes mitochondrial function, and increases NADPH oxidase activity. These changes collectively increase cellular oxidative stress, which alters endothelial function by oxidizing LDL-C, reducing NO production, and causing eNOS uncoupling. Reduced levels of nitric oxide (NO) leads to vasoconstriction, vascular remodeling, and vascular inflammation. Exercise modulates reactive oxygen species (ROS) to modify NRF2-KEAP signaling, leading to the activation of NRF2 to alleviate oxidative stress. While regular moderate exercise activates NRF2 through ROS production, high-intensity intermittent exercise stimulates NRF2 activation to a greater degree by reducing KEAP levels, which can be more beneficial for sedentary individuals. We review the damaging effects of a sedentary lifestyle on the vascular system and the health benefits of regular and intermittent exercise.
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Affiliation(s)
- Babatunde Fasipe
- Faculty of Basic Clinical Sciences, Department of Pharmacology and Therapeutics, Bowen University, Iwo, Nigeria
| | - Shunchang Li
- Institute of Sports Medicine and Health, Chengdu Sport University, Chengdu, 610041, China
| | - Ismail Laher
- Faculty of Medicine, Department of Anesthesiology, Pharmacology and Therapeutics, The University of British Columbia, 2176 Health Sciences Mall, Vancouver, Canada.
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16
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Roberts JA, Rainbow RD, Sharma P. Mitigation of Cardiovascular Disease and Toxicity through NRF2 Signalling. Int J Mol Sci 2023; 24:ijms24076723. [PMID: 37047696 PMCID: PMC10094784 DOI: 10.3390/ijms24076723] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/27/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
Cardiovascular toxicity and diseases are phenomena that have a vastly detrimental impact on morbidity and mortality. The pathophysiology driving the development of these conditions is multifactorial but commonly includes the perturbance of reactive oxygen species (ROS) signalling, iron homeostasis and mitochondrial bioenergetics. The transcription factor nuclear factor erythroid 2 (NFE2)-related factor 2 (NRF2), a master regulator of cytoprotective responses, drives the expression of genes that provide resistance to oxidative, electrophilic and xenobiotic stresses. Recent research has suggested that stimulation of the NRF2 signalling pathway can alleviate cardiotoxicity and hallmarks of cardiovascular disease progression. However, dysregulation of NRF2 dynamic responses can be severely impacted by ageing processes and off-target toxicity from clinical medicines including anthracycline chemotherapeutics, rendering cells of the cardiovascular system susceptible to toxicity and subsequent tissue dysfunction. This review addresses the current understanding of NRF2 mechanisms under homeostatic and cardiovascular pathophysiological conditions within the context of wider implications for this diverse transcription factor.
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Affiliation(s)
- James A. Roberts
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
| | - Richard D. Rainbow
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
- Liverpool Centre for Cardiovascular Science, Liverpool L7 8TX, UK
| | - Parveen Sharma
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
- Liverpool Centre for Cardiovascular Science, Liverpool L7 8TX, UK
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17
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Abstract
Significance: Central nervous system (CNS) diseases are disorders of the brain and/or spinal cord and include neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and multiple sclerosis. Nuclear factor erythroid 2-related factor 2 (NRF2) is a transcription factor belonging to the cap-n-collar family that harbors a unique basic leucine zipper motif and plays as a master regulator of homeostatic responses. Recent Advances: Kelch-like ECH-associated protein 1 (KEAP1) is an adaptor of the Cullin3 (CUL3)-based ubiquitin E3 ligase that enhances the ubiquitylation of NRF2, which promotes the degradation of NRF2 to suppress its transcriptional activity in the absence of stress. Cysteine residues of KEAP1 are modified under stress conditions, and NRF2 degradation is attenuated, allowing it to accumulate and induce the expression of target genes. This regulatory system is referred to as the KEAP1-NRF2 system and plays a central role in protecting cells against various stresses. NRF2 also negatively regulates the expression of inflammatory cytokine and chemokine genes and suppresses pathological inflammation. As oxidative stress, inflammation, and proteostasis are known to contribute to neurodegenerative diseases, the KEAP1-NRF2 system is an attractive target for the treatment of these diseases. Critical Issues: In mouse models of neurodegenerative diseases, Nrf2 depletion exacerbates symptoms and enhances oxidative damage and inflammation in the CNS. In contrast, chemical or genetic NRF2 activation improves these symptoms. Indeed, the NRF2-activating chemical dimethyl fumarate is now widely used for the clinical treatment of MS. Future Directions: The KEAP1-NRF2 system is a promising therapeutic target for neurodegenerative diseases.
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Affiliation(s)
- Akira Uruno
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan.,Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masayuki Yamamoto
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan.,Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan
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18
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Sarkar A, Rasheed MSU, Singh MP. Redox Modulation of Mitochondrial Proteins in the Neurotoxicant Models of Parkinson's Disease. Antioxid Redox Signal 2023; 38:824-852. [PMID: 36401516 DOI: 10.1089/ars.2022.0106] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Significance: Mitochondrial proteins regulate the oxidative phosphorylation, cellular metabolism, and free radical generation. Redox modulation alters the mitochondrial proteins and instigates the damage to dopaminergic neurons. Toxicants contribute to Parkinson's disease (PD) pathogenesis in conjunction with aging and genetic factors. While oxidative modulation of a number of mitochondrial proteins is linked to xenobiotic exposure, little is known about its role in the toxicant-induced PD. Understanding the role of redox modulation of mitochondrial proteins in complex cellular events leading to neurodegeneration is highly relevant. Recent Advances: Many toxicants are shown to inhibit complex I or III and elicit free radical production that alters the redox status of mitochondrial proteins. Implication of redox modulation of the mitochondrial proteins makes them a target to comprehend the underlying mechanism of toxicant-induced PD. Critical Issues: Owing to multifactorial etiology, exploration of onset and progression and treatment outcomes needs a comprehensive approach. The article explains about a few mitochondrial proteins that undergo redox changes along with the promising strategies, which help to alleviate the toxicant-induced redox imbalance leading to neurodegeneration. Future Directions: Although mitochondrial proteins are linked to PD, their role in toxicant-induced parkinsonism is not yet completely known. Preservation of antioxidant defense machinery could alleviate the redox modulation of mitochondrial proteins. Targeted antioxidant delivery, use of metal chelators, and activation of nuclear factor erythroid 2-related factor 2, and combinational therapy that encounters multiple free radicals, could ameliorate the redox modulation of mitochondrial proteins and thereby PD progression.
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Affiliation(s)
- Alika Sarkar
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Mohd Sami Ur Rasheed
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Mahendra Pratap Singh
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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19
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Rehman MU, Sehar N, Dar NJ, Khan A, Arafah A, Rashid S, Rashid SM, Ganaie MA. Mitochondrial dysfunctions, oxidative stress and neuroinflammation as therapeutic targets for neurodegenerative diseases: An update on current advances and impediments. Neurosci Biobehav Rev 2023; 144:104961. [PMID: 36395982 DOI: 10.1016/j.neubiorev.2022.104961] [Citation(s) in RCA: 37] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/11/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022]
Abstract
Neurodegenerative diseases (NDs) such as Alzheimer disease (AD), Parkinson disease (PD), and Huntington disease (HD) represent a major socio-economic challenge in view of their high prevalence yet poor treatment outcomes affecting quality of life. The major challenge in drug development for these NDs is insufficient clarity about the mechanisms involved in pathogenesis and pathophysiology. Mitochondrial dysfunction, oxidative stress and inflammation are common pathways that are linked to neuronal abnormalities and initiation of these diseases. Thus, elucidating the shared initial molecular and cellular mechanisms is crucial for recognizing novel remedial targets, and developing therapeutics to impede or stop disease progression. In this context, use of multifunctional compounds at early stages of disease development unclogs new avenues as it acts on act on multiple targets in comparison to single target concept. In this review, we summarize overview of the major findings and advancements in recent years focusing on shared mechanisms for better understanding might become beneficial in searching more potent pharmacological interventions thereby reducing the onset or severity of various NDs.
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Affiliation(s)
- Muneeb U Rehman
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.
| | - Nouroz Sehar
- Centre for Translational and Clinical Research, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Nawab John Dar
- School of Medicine, University of Texas Health San Antonio, San Antonio, TX 78992 USA
| | - Andleeb Khan
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Azher Arafah
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Shahzada Mudasir Rashid
- Division of Veterinary Biochemistry, Faculty of Veterinary Science and Animal Husbandry, SKUAST-Kashmir, Srinagar, Jammu and Kashmir, India
| | - Majid Ahmad Ganaie
- Department of Pharmacology & Toxicology, College of Dentistry and Pharmacy, Buraydah Colleges, Buraydah, Saudi Arabia
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20
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Broccoli-Derived Glucoraphanin Activates AMPK/PGC1α/NRF2 Pathway and Ameliorates Dextran-Sulphate-Sodium-Induced Colitis in Mice. Antioxidants (Basel) 2022; 11:antiox11122404. [PMID: 36552612 PMCID: PMC9774969 DOI: 10.3390/antiox11122404] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/11/2022] Open
Abstract
As the prevalence of inflammatory bowel diseases (IBD) rises, the etiology of IBD draws increasing attention. Glucoraphanin (GRP), enriched in cruciferous vegetables, is a precursor of sulforaphane, known to have anti-inflammatory and antioxidative effects. We hypothesized that dietary GRP supplementation can prevent mitochondrial dysfunction and oxidative stress in an acute colitis mouse model induced by dextran sulfate sodium (DSS). Eight-week-old mice were fed a regular rodent diet either supplemented with or without GRP. After 4 weeks of dietary treatments, half of the mice within each dietary group were subjected to 2.5% DSS treatment to induce colitis. Dietary GRP decreased DSS-induced body weight loss, disease activity index, and colon shortening. Glucoraphanin supplementation protected the colonic histological structure, suppressed inflammatory cytokines, interleukin (IL)-1β, IL-18, and tumor necrosis factor-α (TNF-α), and reduced macrophage infiltration in colonic tissues. Consistently, dietary GRP activated AMP-activated protein kinase (AMPK), peroxisome proliferator-activated receptor-gamma coactivator (PGC)-1α, and nuclear factor erythroid 2-related factor 2 (NRF2) pathways in the colonic tissues of DSS-treated mice, which was associated with increased mitochondrial DNA and decreased content of the oxidative product 8-hydroxydeoxyguanosine (8-OHDG), a nucleotide oxidative product of DNA. In conclusion, dietary GRP attenuated mitochondrial dysfunction, inflammatory response, and oxidative stress induced by DSS, suggesting that dietary GRP provides a dietary strategy to alleviate IBD symptoms.
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21
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The Degradation of TMEM166 by Autophagy Promotes AMPK Activation to Protect SH-SY5Y Cells Exposed to MPP+. Cells 2022; 11:cells11172706. [PMID: 36078115 PMCID: PMC9454683 DOI: 10.3390/cells11172706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 11/19/2022] Open
Abstract
Neuronal oxidative stress caused by mitochondrial dysfunction plays a crucial role in the development of Parkinson’s disease (PD). Growing evidence shows that autophagy confers neuroprotection in oxidative-stress-associated PD. This work aims to investigate the involvement of TMEM166, an endoplasmic-reticulum-localized autophagy-regulating protein, in the process of PD-associated oxidative stress through the classic cellular PD model of neuroblastoma SH-SY5Y cells exposed to 1-methyl-4-phenylpyridinium (MPP+). Reactive oxygen species (ROS) production and mitochondrial membrane potential were checked to assess the oxidative stress induced by MPP+ and the cellular ATP generated was determined to evaluate mitochondrial function. The effect on autophagy induction was evaluated by analyzing p62 and LC3-II/I expression and by observing the LC3 puncta and the colocalization of LC3 with LAMP1/ LAMP2. The colocalization of mitochondria with LC3, the colocalization of Tom20 with LAMP1 and Tom20 expression were analyzed to evaluate mitophagy. We found that TMEM166 is up-regulated in transcript levels, but up-regulated first and then down-regulated by autophagic degradation in protein levels upon MPP+-treatment. Overexpression of TMEM166 induces mitochondria fragmentation and dysfunction and exacerbates MPP+-induced oxidative stress and cell viability reduction. Overexpression of TMEM166 is sufficient to induce autophagy and mitophagy and promotes autophagy and mitophagy under MPP+ treatment, while knockdown of TMEM166 inhibits basal autophagic degradation. In addition, overexpressed TMEM166 suppresses AMPK activation, while TMEM166 knockdown enhances AMPK activation. Pharmacological activation of AMPK alleviates the exacerbation of oxidative stress induced by TMEM166 overexpression and increases cell viability, while pharmacological inhibition mitophagy aggravates the oxidative stress induced by MPP+ treatment combined with TMEM166 overexpression. Finally, we find that overexpressed TMEM166 partially localizes to mitochondria and, simultaneously, the active AMPK in mitochondria is decreased. Collectively, these findings suggest that TMEM166 can translocate from ER to mitochondria and inhibit AMPK activation and, in response to mitochondrial oxidative stress, neuronal cells choose to up-regulate TMEM166 to promote autophagy/mitophagy; then, the enhancing autophagy/mitophagy degrades the TMEM166 to activate AMPK, by the two means to maintain cell survival. The continuous synthesis and degradation of TMEM166 in autophagy/mitochondria flux suggest that TMEM166 may act as an autophagy/mitochondria adaptor.
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22
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Esteras N, Abramov AY. Nrf2 as a regulator of mitochondrial function: Energy metabolism and beyond. Free Radic Biol Med 2022; 189:136-153. [PMID: 35918014 DOI: 10.1016/j.freeradbiomed.2022.07.013] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/20/2022] [Accepted: 07/19/2022] [Indexed: 12/14/2022]
Abstract
Mitochondria are unique and essential organelles that mediate many vital cellular processes including energy metabolism and cell death. The transcription factor Nrf2 (NF-E2 p45-related factor 2) has emerged in the last few years as an important modulator of multiple aspects of mitochondrial function. Well-known for controlling cellular redox homeostasis, the cytoprotective effects of Nrf2 extend beyond its ability to regulate a diverse network of antioxidant and detoxification enzymes. Here, we review the role of Nrf2 in the regulation of mitochondrial function and structure. We focus on Nrf2 involvement in promoting mitochondrial quality control and regulation of basic aspects of mitochondrial function, including energy production, reactive oxygen species generation, calcium signalling, and cell death induction. Given the importance of mitochondria in the development of multiple diseases, these findings reinforce the pharmacological activation of Nrf2 as an attractive strategy to counteract mitochondrial dysfunction.
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Affiliation(s)
- Noemí Esteras
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, Queen Square, London, UK.
| | - Andrey Y Abramov
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, Queen Square, London, UK.
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23
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Soni D, Kumar P. GSK-3β-mediated regulation of Nrf2/HO-1 signaling as a new therapeutic approach in the treatment of movement disorders. Pharmacol Rep 2022; 74:557-569. [PMID: 35882765 DOI: 10.1007/s43440-022-00390-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 11/30/2022]
Abstract
Movement disorders are neurological conditions characterized by involuntary motor movements, such as dystonia, ataxia, chorea myoclonus, tremors, Huntington's disease (HD), and Parkinson's disease (PD). It is classified into two categories: hypokinetic and hyperkinetic movements. Globally, movement disorders are a major cause of death. The pathophysiological process is initiated by excessive ROS generation, mitochondrial dysfunction, neuroinflammation, and neurotransmitters imbalance that lead to motor dysfunction in PD and HD patients. Several endogenous targets including Nrf2 maintain oxidative balance in the body. Activation of Nrf2 signaling is regulated by the enzyme glycogen synthase kinase (GSK-3β). In the cytoplasm, inhibition of GSK-3β regulates cellular proliferation, homeostasis, and apoptotic process by stimulating the nuclear factor erythroid 2 (Nrf2) pathway which is involved in the elevation of the cellular antioxidant enzymes which controls the ROS generation. The activation of Nrf2 increases the expression of antioxidant response elements (ARE), such as (Hemeoxygenase-1) HO-1, which decreases excessive cellular stress, mitochondrial dysfunction, apoptosis, and neuronal degeneration, which is the major cause of motor dysfunction. The present review explores the GSK-3β-mediated neuroprotection in various movement disorders through the Nrf2/HO-1 antioxidant pathway. This review provides a link between GSK-3β and the Nrf2/HO-1 signaling pathway in the treatment of PD and HD. In addition to that it highlights various GSK-3β inhibitors and the Nrf2/HO-1 activators, which exert robust neuroprotection against motor disorders. Therefore, the present review will help in the discovery of new therapy for PD and HD patients.
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Affiliation(s)
- Divya Soni
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda, India
| | - Puneet Kumar
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda, India.
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24
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Li Y, Song J, Zhou P, Zhou J, Xie S. Targeting Undruggable Transcription Factors with PROTACs: Advances and Perspectives. J Med Chem 2022; 65:10183-10194. [PMID: 35881047 DOI: 10.1021/acs.jmedchem.2c00691] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dysregulation of transcription factors has been implicated in a variety of human diseases. However, these proteins have traditionally been regarded as undruggable and only a handful of them have been successfully targeted by conventional small molecules. Moreover, the development of intrinsic and acquired resistance has hampered the clinical use of these agents. Over the past years, proteolysis-targeting chimeras (PROTACs) have shown great promise because of their potential for overcoming drug resistance and their ability to target previously undruggable proteins. Indeed, several small molecule-based PROTACs have demonstrated superior efficacy in therapy-resistant metastatic cancers. Nevertheless, it remains challenging to identify ligands for the majority of transcription factors. Given that transcription factors recognize short DNA motifs in a sequence-specific manner, multiple novel approaches exploit DNA motifs as warheads in PROTAC design for the degradation of aberrant transcription factors. These PROTACs pave the way for targeting undruggable transcription factors with potential therapeutic benefits.
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Affiliation(s)
- Yan Li
- Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China
| | - Jian Song
- Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China
| | - Ping Zhou
- Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China
| | - Jun Zhou
- Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China.,State Key Laboratory of Medicinal Chemical Biology, Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Songbo Xie
- Institute of Biomedical Sciences, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China.,School of Life Sciences and Medicine, Shandong University of Technology, Zibo, Shandong 255000, China
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25
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Yang XX, Yang R, Zhang F. Role of Nrf2 in Parkinson's Disease: Toward New Perspectives. Front Pharmacol 2022; 13:919233. [PMID: 35814229 PMCID: PMC9263373 DOI: 10.3389/fphar.2022.919233] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/12/2022] [Indexed: 12/21/2022] Open
Abstract
Parkinson's disease (PD) is one of the most common and chronic degenerative diseases in the central nervous system. The main pathology of PD formation is the progressive loss of dopaminergic neurons in substantia nigra and the formation of α-synuclein-rich Lewy bodies. The pathogenesis of PD is not caused by any single independent factor. The diversity of these independent factors of PD, such as iron accumulation, oxidative stress, neuroinflammation, mitochondrial dysfunction, age, environment, and heredity, makes the research progress of PD slow. Nrf2 has been well-known to be closely associated with the pathogenesis of PD and could regulate these induced factors development. Nrf2 activation could protect dopaminergic neurons and slow down the progression of PD. This review summarized the role of Nrf2 pathway on the pathogenesis of PD. Regulation of Nrf2 pathway might be one of the promising strategies to prevent and treat PD.
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Affiliation(s)
- Xin-xing Yang
- Laboratory Animal Center and Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Rong Yang
- Laboratory Animal Center and Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Feng Zhang
- Laboratory Animal Center and Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province, Zunyi Medical University, Zunyi, China
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, China
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26
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Multi-Target Effects of ß-Caryophyllene and Carnosic Acid at the Crossroads of Mitochondrial Dysfunction and Neurodegeneration: From Oxidative Stress to Microglia-Mediated Neuroinflammation. Antioxidants (Basel) 2022; 11:antiox11061199. [PMID: 35740096 PMCID: PMC9220155 DOI: 10.3390/antiox11061199] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/13/2022] [Accepted: 06/17/2022] [Indexed: 01/27/2023] Open
Abstract
Inflammation and oxidative stress are interlinked and interdependent processes involved in many chronic diseases, including neurodegeneration, diabetes, cardiovascular diseases, and cancer. Therefore, targeting inflammatory pathways may represent a potential therapeutic strategy. Emerging evidence indicates that many phytochemicals extracted from edible plants have the potential to ameliorate the disease phenotypes. In this scenario, ß-caryophyllene (BCP), a bicyclic sesquiterpene, and carnosic acid (CA), an ortho-diphenolic diterpene, were demonstrated to exhibit anti-inflammatory, and antioxidant activities, as well as neuroprotective and mitoprotective effects in different in vitro and in vivo models. BCP essentially promotes its effects by acting as a selective agonist and allosteric modulator of cannabinoid type-2 receptor (CB2R). CA is a pro-electrophilic compound that, in response to oxidation, is converted to its electrophilic form. This can interact and activate the Keap1/Nrf2/ARE transcription pathway, triggering the synthesis of endogenous antioxidant “phase 2” enzymes. However, given the nature of its chemical structure, CA also exhibits direct antioxidant effects. BCP and CA can readily cross the BBB and accumulate in brain regions, giving rise to neuroprotective effects by preventing mitochondrial dysfunction and inhibiting activated microglia, substantially through the activation of pro-survival signalling pathways, including regulation of apoptosis and autophagy, and molecular mechanisms related to mitochondrial quality control. Findings from different in vitro/in vivo experimental models of Parkinson’s disease and Alzheimer’s disease reported the beneficial effects of both compounds, suggesting that their use in treatments may be a promising strategy in the management of neurodegenerative diseases aimed at maintaining mitochondrial homeostasis and ameliorating glia-mediated neuroinflammation.
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27
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Huang JC, Yue ZP, Yu HF, Yang ZQ, Wang YS, Guo B. TAZ ameliorates the microglia-mediated inflammatory response via the Nrf2-ROS-NF-κB pathway. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 28:435-449. [PMID: 35505966 PMCID: PMC9043866 DOI: 10.1016/j.omtn.2022.03.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 03/27/2022] [Indexed: 01/03/2023]
Abstract
Transcriptional co-activator with PDZ-binding motif (TAZ), one of core modules of the Hippo pathway, involves inflammatory cell infiltration in the liver, but little information is available regarding its physiological function in the microglia-mediated inflammatory response. Here we revealed that activation of TAZ prevented microglia production of proinflammatory cytokines, indicating TAZ’s importance in anti-inflammation. After translocation into the nucleus, TAZ interacted with transcriptional enhanced associate domain (TEAD) and bound to the promoter of nuclear factor erythroid 2-related factor 2 (Nrf2), whose blockage caused inability of TAZ to improve inflammation, implying that Nrf2 is a direct target of TAZ. Further analysis showed that TAZ induced Nrf2 nuclear translocation to enhance antioxidant capacity with attenuation of oxidative stress and the inflammatory response. Under inflammatory conditions, TAZ impeded mitochondrial dysfunction, as indicated by amelioration of ATP levels, mtDNA copy numbers, and mitochondrial membrane potential with an obvious reduction in mitochondrial superoxide, but this impediment was neutralized by blockage of Nrf2. TAZ hindered opening of the mitochondrial permeability transition pore, restrained release of cytochrome c from mitochondria into the cytosol, and was sufficient to rescue microglia from apoptosis dependent on Nrf2. Nrf2 acted as a downstream target of TAZ to repress NF-κB activation by enhancing antioxidant capacity. Collectively, TAZ might ameliorate the microglia-mediated inflammatory response through the Nrf2-reactive oxygen species (ROS)-nuclear factor κB (NF-κB) pathway.
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Affiliation(s)
- Ji-Cheng Huang
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
| | - Zhan-Peng Yue
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
| | - Hai-Fan Yu
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
| | - Zhan-Qing Yang
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
| | - Yu-Si Wang
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
| | - Bin Guo
- College of Veterinary Medicine, Jilin University, Changchun, P.R. China
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28
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Adebayo OG, Asiwe JN, Ben-Azu B, Aduema W, Onyeleonu I, Akpotu AE, Wopara I, Kolawole TA, Umoren EB, Igbokwe V, Buduburisi BR, Onwuka FC, Brown PI. Ginkgo biloba protects striatal neurodegeneration and gut phagoinflammatory damage in rotenone-induced mice model of Parkinson's disease: Role of executioner caspase-3/Nrf2/ARE signaling. J Food Biochem 2022; 46:e14253. [PMID: 35608987 DOI: 10.1111/jfbc.14253] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/19/2022] [Accepted: 04/18/2022] [Indexed: 12/14/2022]
Abstract
Asymptomatic and early clinical stages of Parkinson's disease (PD) have been linked with comorbid non-motor symptoms including dysfunction of the gastrointestinal (GI) tract. Notwithstanding, neuroprotective and gastroprotective effects of Ginkgo biloba supplements (GBS) have been investigated independently. Hence, whether GBS-mediated GIT-protective capacity could be helpful in PD via gut-brain anti-inflammatory signaling still remains unknown. Treatment with GBS significantly repressed the motor behavioral and neuromuscular deficits and prevented loss of striatal dopaminergic loss by improving the level of tyrosine hydroxylase enzyme and suppressing synucleinopathy development. Striatal neurons and ileal epithelial injury following intraperitoneal rotenone administration were accompanied with oxidoinflammatory/nitroinflammatory stress and marked inhibition of cholinergic transmission. Moreover, there was increased striatal executioner caspase-3 and decreased nuclear factor erythroid-2-related factor 2 (Nrf2) immunoexpression, loss of striatal pyramidal neuron with a marked decrease in length and width of the dendritic spines as well as significant hyperplasia of cryptal cells in the ileal epithelial tissues, all which were reversed by the pretreatment + concurrent (Pre-CONC) and concurrent (CONC) GBS treatment pattern. In sum, we proved the potential dual effects of GBS in preventing both dopaminergic neural-related impairments and gut wall abnormalities linked with PD.
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Affiliation(s)
- Olusegun G Adebayo
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Jerome N Asiwe
- Cardiorespiratory Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Benneth Ben-Azu
- Department of Pharmacology and Therapeutics, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Wadioni Aduema
- Department of Physiology, Faculty of Basic Medical Sciences, Bayelsa Medical University, Yenagoa, Nigeria
| | - Ijeoma Onyeleonu
- Department of Anatomy, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Ajirioghene E Akpotu
- Department of Pharmacology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Iheanyichukwu Wopara
- Department of Biochemistry, Faculty of Sciences, University of Port Harcourt, Port-Harcourt, Nigeria
| | - Tolunigba A Kolawole
- Endocrinology and Metabolism Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Elizabeth B Umoren
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria.,Gastrointestinal Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Vincent Igbokwe
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria.,Department of Physiology, Faculty of Basic Medical Sciences, Nnamdi Azikwe University, Awka, Nigeria
| | - Buduchim R Buduburisi
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Favour C Onwuka
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Providence I Brown
- Endocrinology and Metabolism Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
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29
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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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30
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Li K, Ning P, Liu B, Yang H, Zhu Y, Yin W, Zhou C, Ren H, Yang X. Downregulation of CHCHD2 may Contribute to Parkinson's Disease by Reducing Expression of NFE2L2 and RQCD1. Curr Neurovasc Res 2022; 19:19-29. [PMID: 35388756 DOI: 10.2174/1567202619666220406082221] [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: 12/10/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is associated with coiled-coil-helix-coiled-coil-helix domain containing 2 (CHCHD2) downregulation, which has been linked to reduced cyclocytase activity and increased levels of oxygen free radicals, leading to mitochondrial fragmentation and apoptosis. Little is known about how CHCHD2 normally functions in the cell and, therefore, how its downregulation may contribute to PD. OBJECTIVE This study aimed to identify such target genes using chromatin immunoprecipitation sequencing from SH-SY5Y human neuroblastoma cells treated with neurotoxin 1-methyl-4-phenylpyridinium (MPP+) as a PD model. METHODS In this study, we established a MPP+ -reated SH-SY5Y cell model and evaluated the effects of CHCHD2 overexpression on cell proliferation and apoptosis. At the same time, we used high-throughput chromatin immunoprecipitation sequencing to identify its downstream target gene in SH-SY5Y cells. In addition, we verified the possible downstream target genes and discussed their mechanisms. RESULTS The expression level of α-synuclein increased in SH-SY5Y cells treated with MPP+, while the protein expression level of CHCHD2 decreased significantly, especially after 24 h of treatment. Chip-IP results showed that CHCHD2 may regulate potential target genes such as HDX, ACP1, RAVER2, C1orf229, RN7SL130, GNPTG, erythroid 2 Like 2 (NFE2L2), required for cell differentiation 1 homologue (RQCD1), solute carrier family 5 member 7 (SLA5A7), and N-Acetyltransferase 8 Like (NAT8L). NFE2L2 and RQCD1 were validated as targets using PCR and western blotting of immunoprecipitates, and these two genes together with SLA5A7 and NAT8L were upregulated in SH-SY5Y cells overexpressing CHCHD2. Downregulation of CHCHD2 may contribute to PD by leading to inadequate expression of NFE2L2 and RQCD1 as well as, potentially, SLA5A7 and NAT8L. CONCLUSION Our results suggest that CHCHD2 plays a protective role by maintaining mitochondrial homeostasis and promoting proliferation in neurons. In this study, the changes of CHCHD2 and downstream target genes such as NFE2L2/RQCD1 may have potential application prospects in the future. These findings provide leads to explore PD pathogenesis and potential treatments.
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Affiliation(s)
- Kelu Li
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China
| | - Pingping Ning
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, PR China
| | - Bin Liu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China.,Yunnan Province Clinical Research Center for Gerontology, Kunming, Yunnan Province, PR China
| | - Hongju Yang
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China.,Yunnan Province Clinical Research Center for Gerontology, Kunming, Yunnan Province, PR China
| | - Yongyun Zhu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China
| | - WeiFang Yin
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China
| | - Chuanbin Zhou
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China
| | - Hui Ren
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China.,Yunnan Province Clinical Research Center for Gerontology, Kunming, Yunnan Province, PR China
| | - Xinglong Yang
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR China.,Yunnan Province Clinical Research Center for Gerontology, Kunming, Yunnan Province, PR China
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31
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Icariside II Attenuates Methamphetamine-Induced Neurotoxicity and Behavioral Impairments via Activating the Keap1-Nrf2 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8400876. [PMID: 35387263 PMCID: PMC8979738 DOI: 10.1155/2022/8400876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/26/2021] [Accepted: 03/11/2022] [Indexed: 12/15/2022]
Abstract
Chronic and long-term methamphetamine (METH) abuse is bound to cause damages to multiple organs and systems, especially the central nervous system (CNS). Icariside II (ICS), a type of flavonoid and one of the main active ingredients of the traditional Chinese medicine Epimedium, exhibits a variety of biological and pharmacological properties such as anti-inflammatory, antioxidant, and anticancer activities. However, whether ICS could protect against METH-induced neurotoxicity remains unknown. Based on a chronic METH abuse mouse model, we detected the neurotoxicity after METH exposure and determined the intervention effect of ICS and the potential mechanism of action. Here, we found that METH could trigger neurotoxicity, which was characterized by loss of dopaminergic neurons, depletion of dopamine (DA), activation of glial cells, upregulation of α-synuclein (α-syn), abnormal dendritic spine plasticity, and dysfunction of motor coordination and balance. ICS treatment, however, alleviated the above-mentioned neurotoxicity elicited by METH. Our data also indicated that when ICS combated METH-induced neurotoxicity, it was accompanied by partial correction of the abnormal Kelch 2 like ECH2 associated protein 1 (Keap1)-nuclear factor erythroid-2-related factor 2 (Nrf2) pathway and oxidative stress response. In the presence of ML385, an inhibitor of Nrf2, ICS failed to activate the Nrf2-related protein expression and reduce the oxidative stress response. More importantly, ICS could not attenuate METH-induced dopaminergic neurotoxicity and behavioral damage when the Nrf2 was inhibited, suggesting that the neuroprotective effect of ICS on METH-induced neurotoxicity was dependent on activating the Keap1-Nrf2 pathway. Although further research is needed to dig deeper into the actual molecular targets of ICS, it is undeniable that the current results imply the potential value of ICS to reduce the neurotoxicity of METH abusers.
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32
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Chakkittukandiyil A, Sajini DV, Karuppaiah A, Selvaraj D. The principal molecular mechanisms behind the activation of Keap1/Nrf2/ARE pathway leading to neuroprotective action in Parkinson's disease. Neurochem Int 2022; 156:105325. [PMID: 35278519 DOI: 10.1016/j.neuint.2022.105325] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 03/03/2022] [Accepted: 03/06/2022] [Indexed: 02/07/2023]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder. PD is associated with the loss of dopaminergic neurons in the substantia nigra pars compacta region of the midbrain. Present therapies for PD provide only symptomatic relief by restoring the dopamine (DA) level. However, they are not disease modifying agents and so they do not delay the disease progression. Alpha-synuclein aggregation, oxidative stress, mitochondrial dysfunction and chronic inflammation are considered to be the major pathological mechanisms mediating neurodegeneration in PD. To resist oxidative stress, the human body has an antioxidant defence mechanism consisting of many antioxidants and cytoprotective genes. The expression of those genes are largely controlled by the Kelch-like ECH-associated protein 1/Nuclear factor - erythroid - 2 - related factor 2/Antioxidant response element (Keap1/Nrf2/ARE) signalling pathway. The transcription factor Nrf2 is activated in response to oxidative or electrophilic stress and protects the cells from oxidative stress and inflammation. Nrf2 has been widely considered as a therapeutic target for neurodegeneration and several drugs are now being tested in clinical trials. Regulation of the Keap1/Nrf2/ARE pathway by small molecules which can act as Nrf2 activators could be effective for treating oxidative stress and neuroinflammation in PD. In this review, we had discussed the principal molecular mechanisms behind the neuroprotective effects of Keap1/Nrf2/ARE pathway in PD. Additionally, we also discussed the small molecules and phytochemicals that could activate the Nrf2 mediated anti-oxidant pathway for neuroprotection in PD.
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Affiliation(s)
- Amritha Chakkittukandiyil
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - Deepak Vasudevan Sajini
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - Arjunan Karuppaiah
- Department of Pharmaceutics, PSG College of Pharmacy, Peelamedu, Coimbatore, Tamil Nadu, India
| | - Divakar Selvaraj
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India.
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Herrera-Arozamena C, Estrada-Valencia M, López-Caballero P, Pérez C, Morales-García JA, Pérez-Castillo A, Sastre ED, Fernández-Mendívil C, Duarte P, Michalska P, Lombardía J, Senar S, León R, López MG, Rodríguez-Franco MI. Resveratrol-Based MTDLs to Stimulate Defensive and Regenerative Pathways and Block Early Events in Neurodegenerative Cascades. J Med Chem 2022; 65:4727-4751. [PMID: 35245051 PMCID: PMC8958504 DOI: 10.1021/acs.jmedchem.1c01883] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
![]()
By replacing a phenolic
ring of (E)-resveratrol
with an 1,3,4-oxadiazol-2(3H)-one heterocycle, new
resveratrol-based multitarget-directed ligands (MTDLs) were obtained.
They were evaluated in several assays related to oxidative stress
and inflammation (monoamine oxidases, nuclear erythroid 2-related
factor, quinone reductase-2, and oxygen radical trapping) and then
in experiments of increasing complexity (neurogenic properties and
neuroprotection vs okadaic acid). 5-[(E)-2-(4-Methoxyphenyl)ethenyl]-3-(prop-2-yn-1-yl)-1,3,4-oxadiazol-2(3H)-one (4e) showed a well-balanced MTDL profile:
cellular activation of the NRF2-ARE pathway (CD = 9.83 μM),
selective inhibition of both hMAO-B and QR2 (IC50s = 8.05
and 0.57 μM), and the best ability to promote hippocampal neurogenesis.
It showed a good drug-like profile (positive in vitro central nervous
system permeability, good physiological solubility, no glutathione
conjugation, and lack of PAINS or Lipinski alerts) and exerted neuroprotective
and antioxidant actions in both acute and chronic Alzheimer models
using hippocampal tissues. Thus, 4e is an interesting
MTDL that could stimulate defensive and regenerative pathways and
block early events in neurodegenerative cascades.
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Affiliation(s)
- Clara Herrera-Arozamena
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain.,Programa de Doctorado en Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avda. Complutense s/n, E-28040 Madrid, Spain
| | - Martín Estrada-Valencia
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Patricia López-Caballero
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Concepción Pérez
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - José A Morales-García
- Instituto de Investigaciones Biomédicas (CSIC-UAM), C/Arturo Duperier, 4, E-28029 Madrid, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), C/Valderrebollo 5, E-28031 Madrid, Spain.,Departamento de Biología Celular, Facultad de Medicina, Universidad Complutense de Madrid, Avda. Complutense s/n, E-28040 Madrid, Spain
| | - Ana Pérez-Castillo
- Instituto de Investigaciones Biomédicas (CSIC-UAM), C/Arturo Duperier, 4, E-28029 Madrid, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), C/Valderrebollo 5, E-28031 Madrid, Spain
| | - Eric Del Sastre
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - Cristina Fernández-Mendívil
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - Pablo Duarte
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - Patrycja Michalska
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - José Lombardía
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - Sergio Senar
- DrTarget Machine Learning, C/Alejo Carpentier 13, E-28806 Alcalá de Henares, Madrid, Spain
| | - Rafael León
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain.,Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain
| | - Manuela G López
- Instituto Teófilo Hernando de I+D del Medicamento, Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, E-28029 Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Universitario de la Princesa (IIS-IP), C/Diego de León 62, E-28006 Madrid, Spain
| | - María Isabel Rodríguez-Franco
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), C/ Juan de la Cierva 3, E-28006 Madrid, Spain
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Muhammad F, Liu Y, Zhou Y, Yang H, Li H. Antioxidative role of Traditional Chinese Medicine in Parkinson's disease. JOURNAL OF ETHNOPHARMACOLOGY 2022; 285:114821. [PMID: 34838943 DOI: 10.1016/j.jep.2021.114821] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/24/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Neuroprotective Traditional Chinese Medicine (TCM) has been practiced in alternative medicine from early days. TCM-derived neuroprotective compounds, such as Chrysin, Cannabidiol, Toonasinoids, and β-asaron, exert significant effectiveness's towards Parkinson's disease (PD). Further, these neuroprotective TCM showed antioxidative, anti-inflammatory, anti-tumor, anti-septic, analgesic properties. Recent research showed that the reduction in the reactive oxygen species (ROS) decreased the α-synuclein (α-syn) toxicity and enhanced the dopaminergic neuron regenerations, the main hallmarks of PD. Therefore, the neuroprotective effects of novel TCM due to its antiradical activities needed deep investigations. AIMS OF THE STUDY This review aims to enlighten the neuroprotective TCM and its components with their antioxidative properties to the scientific community for future research. METHOD The relevant information on the neuroprotective TCM was gathered from scientific databases (PubMed, Web of Science, Google Scholar, ScienceDirect, SciFinder, Wiley Online Library, ACS Publications, and CNKI). Information was also gained from MS and Ph.D. thesis, books, and online databases. The literature cited in this review dates from 2001 to June 2, 0201. RESULTS Novel therapies for PD are accessible, mostly rely on Rivastigmine and Donepezil, offers to slow down the progression of disease at an early stage but embraces lots of disadvantages. Researchers are trying to find a potential drug against PD, which is proficient at preventing or curing the disease progress, but still needed to be further identified. Oxidative insult and mitochondrial dysfunction are thought to be the main culprit of neurodegenerations. Reactive oxygen species (ROS) are the only causative agent in all interactions, leading to PD, from mitochondrial dysfunctions, α-syn aggregative toxicity, and DA neurons degenerations. It is evident from the redox balance, which seems an imperative therapeutic approach against PD and was necessary for the significant neuronal activities. CONCLUSION Our study is explaining the newly discovered TCM and their neuroprotective and antioxidative properties. But also bring up the possible treatment approaches against PD for future researchers.
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Affiliation(s)
- Fahim Muhammad
- College of Life Sciences, Lanzhou University, Lanzhou, China
| | - Yan Liu
- School of Pharmacy, Lanzhou University, Donggang West Road No. 199, Lanzhou, 730020, China
| | - Yongtao Zhou
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China
| | - Hui Yang
- Instiute of Biology Gansu Academy of Sciences, China.
| | - Hongyu Li
- College of Life Sciences, Lanzhou University, Lanzhou, China; School of Pharmacy, Lanzhou University, Donggang West Road No. 199, Lanzhou, 730020, China.
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Fan X, Huang T, Tong Y, Fan Z, Yang Z, Yang D, Mao X, Yang M. p62 works as a hub modulation in the ageing process. Ageing Res Rev 2022; 73:101538. [PMID: 34890823 DOI: 10.1016/j.arr.2021.101538] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/22/2021] [Accepted: 12/03/2021] [Indexed: 12/15/2022]
Abstract
p62 (also known as SQSTM1) is widely used as a predictor of autophagic flux, a process that allows the degradation of harmful and unnecessary components through lysosomes to maintain protein homeostasis in cells. p62 is also a stress-induced scaffold protein that resists oxidative stress. The multiple domains in its structure allow it to be connected with a variety of vital signalling pathways, autophagy and the ubiquitin proteasome system (UPS), allowing p62 to play important roles in cell proliferation, apoptosis and survival. Recent studies have shown that p62 is also directly or indirectly involved in the ageing process. In this review, we summarize in detail the process by which p62 regulates ageing from multiple ageing-related signs with the aim of providing new insight for the study of p62 in ageing.
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Affiliation(s)
- Xiaolan Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, PR China
| | - Tiantian Huang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Yingdong Tong
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Ziqiang Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Ziyue Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Deying Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, PR China
| | - Xueping Mao
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, PR China
| | - Mingyao Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, PR China.
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Wang Y, Gao L, Chen J, Li Q, Huo L, Wang Y, Wang H, Du J. Pharmacological Modulation of Nrf2/HO-1 Signaling Pathway as a Therapeutic Target of Parkinson's Disease. Front Pharmacol 2021; 12:757161. [PMID: 34887759 PMCID: PMC8650509 DOI: 10.3389/fphar.2021.757161] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/21/2021] [Indexed: 12/19/2022] Open
Abstract
Parkinson’s disease (PD) is a complex neurodegenerative disorder featuring both motor and nonmotor symptoms associated with a progressive loss of dopaminergic neurons in the substantia nigra pars compacta. Oxidative stress (OS) has been implicated in the pathogenesis of PD. Genetic and environmental factors can produce OS, which has been implicated as a core contributor to the initiation and progression of PD through the degeneration of dopaminergic neurons. The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) orchestrates activation of multiple protective genes, including heme oxygenase-1 (HO-1), which protects cells from OS. Nrf2 has also been shown to exert anti-inflammatory effects and modulate both mitochondrial function and biogenesis. Recently, a series of studies have reported that different bioactive compounds were shown to be able to activate Nrf2/antioxidant response element (ARE) and can ameliorate PD-associated neurotoxin, both in animal models and in tissue culture. In this review, we briefly overview the sources of OS and the association between OS and the pathogenesis of PD. Then, we provided a concise overview of Nrf2/ARE pathway and delineated the role played by activation of Nrf2/HO-1 in PD. At last, we expand our discussion to the neuroprotective effects of pharmacological modulation of Nrf2/HO-1 by bioactive compounds and the potential application of Nrf2 activators for the treatment of PD. This review suggests that pharmacological modulation of Nrf2/HO-1 signaling pathway by bioactive compounds is a therapeutic target of PD.
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Affiliation(s)
- Yumin Wang
- Department of Respiratory and Critical Care Medicine, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China
| | - Luyan Gao
- Department of Neurology, Tianjin Fourth Central Hospital, The Fourth Central Hospital Affiliated to Nankai University, The Fourth Central Clinical College, Tianjin Medical University, Tianjin, China
| | - Jichao Chen
- Department of Respiratory and Critical Care Medicine, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China
| | - Qiang Li
- Department of Neurology, The Affiliated Hospital of Chifeng University, Chifeng, China
| | - Liang Huo
- Department of Pediatric Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yanchao Wang
- Department of Neurology, The Affiliated Hospital of Chifeng University, Chifeng, China
| | - Hongquan Wang
- Department of Neurology, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China
| | - Jichen Du
- Department of Neurology, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China
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37
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Bi M, Du X, Xiao X, Dai Y, Jiao Q, Chen X, Zhang L, Jiang H. Deficient immunoproteasome assembly drives gain of α-synuclein pathology in Parkinson's disease. Redox Biol 2021; 47:102167. [PMID: 34662812 PMCID: PMC8577461 DOI: 10.1016/j.redox.2021.102167] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 01/07/2023] Open
Abstract
Aberrant α-synuclein (α-Syn) accumulation resulting from proteasome dysfunction is considered as a prominent factor to initiate and aggravate the neurodegeneration in Parkinson's disease (PD). Although the involvement of 26S proteasome in proteostasis imbalance has been widely accepted, our knowledge about the regulation of immunoproteasome function and its potential role in α-Syn pathology remains limited. Immunoproteasome abundance and proteolytic activities depend on the finely tuned assembly process, especially β-ring formation mediated by the only well-known chaperone proteasome maturation protein (POMP). Here, we identified that α-Syn overexpression was associated with a reduction in immunoproteasome function, which in turn limited the degradation of polo-like kinase 2 (PLK2), exacerbated α-Syn Ser129 phosphorylation and aggregation, ultimately leading to the neurodegeneration. These effects could be dramatically attenuated by β5i overexpression. Mechanistically, α-Syn suppressed the transcriptional regulation of POMP by nuclear factor erythroid 2-related factor 2 (NRF2), thereby preventing the assembly of immunoproteasome β subunits. Dopaminergic neurons-specific overexpression of NRF2-POMP axis effectively rescued the aggregation of α-Syn and PD-like phenotypes. These findings characterized abnormal immunoproteasome assembly as a key contributor governing α-Syn accumulation and neurodegeneration, which might open up a new perspective for the implication of immunoproteasome in PD and provide approaches of manipulating immunoproteasome assembly for therapeutic purposes. α-Syn negatively regulated immunoproteasome by inhibiting POMP-mediated assembly. Immunoproteasome deficiency prevented PLK2 degradation to aggravate neurotoxicity. Enhanced immunoproteasome assembly via NRF2-POMP axis alleviated α-Syn pathology.
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Affiliation(s)
- Mingxia Bi
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Xixun Du
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Xue Xiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Yingying Dai
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Qian Jiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Xi Chen
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Hong Jiang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China.
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Alonso-Piñeiro JA, Gonzalez-Rovira A, Sánchez-Gomar I, Moreno JA, Durán-Ruiz MC. Nrf2 and Heme Oxygenase-1 Involvement in Atherosclerosis Related Oxidative Stress. Antioxidants (Basel) 2021; 10:1463. [PMID: 34573095 PMCID: PMC8466960 DOI: 10.3390/antiox10091463] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/02/2021] [Accepted: 09/09/2021] [Indexed: 12/19/2022] Open
Abstract
Atherosclerosis remains the underlying process responsible for cardiovascular diseases and the high mortality rates associated. This chronic inflammatory disease progresses with the formation of occlusive atherosclerotic plaques over the inner walls of vascular vessels, with oxidative stress being an important element of this pathology. Oxidation of low-density lipoproteins (ox-LDL) induces endothelial dysfunction, foam cell activation, and inflammatory response, resulting in the formation of fatty streaks in the atherosclerotic wall. With this in mind, different approaches aim to reduce oxidative damage as a strategy to tackle the progression of atherosclerosis. Special attention has been paid in recent years to the transcription factor Nrf2 and its downstream-regulated protein heme oxygenase-1 (HO-1), both known to provide protection against atherosclerotic injury. In the current review, we summarize the involvement of oxidative stress in atherosclerosis, focusing on the role that these antioxidant molecules exert, as well as the potential therapeutic strategies applied to enhance their antioxidant and antiatherogenic properties.
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Affiliation(s)
- Jose Angel Alonso-Piñeiro
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, 11519 Puerto Real, Spain; (J.A.A.-P.); (A.G.-R.); (I.S.-G.)
- Institute of Research and Innovation in Biomedical Sciences of Cádiz (INiBICA), 11001 Cádiz, Spain
| | - Almudena Gonzalez-Rovira
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, 11519 Puerto Real, Spain; (J.A.A.-P.); (A.G.-R.); (I.S.-G.)
- Institute of Research and Innovation in Biomedical Sciences of Cádiz (INiBICA), 11001 Cádiz, Spain
| | - Ismael Sánchez-Gomar
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, 11519 Puerto Real, Spain; (J.A.A.-P.); (A.G.-R.); (I.S.-G.)
- Institute of Research and Innovation in Biomedical Sciences of Cádiz (INiBICA), 11001 Cádiz, Spain
| | - Juan Antonio Moreno
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nephrology, Hospital Universitario Reina Sofia, 14004 Cordoba, Spain;
- Department of Cell Biology, Physiology, and Immunology, Agrifood Campus of International Excellence (ceiA3), University of Cordoba, 14014 Cordoba, Spain
| | - Ma Carmen Durán-Ruiz
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, 11519 Puerto Real, Spain; (J.A.A.-P.); (A.G.-R.); (I.S.-G.)
- Institute of Research and Innovation in Biomedical Sciences of Cádiz (INiBICA), 11001 Cádiz, Spain
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39
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Hot Topics in Recent Parkinson's Disease Research: Where We are and Where We Should Go. Neurosci Bull 2021; 37:1735-1744. [PMID: 34313916 DOI: 10.1007/s12264-021-00749-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/09/2021] [Indexed: 12/16/2022] Open
Abstract
Parkinson's disease (PD), the second most common neurodegenerative disease, is clinically characterized by both motor and non-motor symptoms. Although overall great achievements have been made in elucidating the etiology and pathogenesis of PD, the exact mechanisms of this complicated systemic disease are still far from being clearly understood. Consequently, most of the currently-used diagnostic tools and therapeutic options for PD are symptomatic. In this perspective review, we highlight the hot topics in recent PD research for both clinicians and researchers. Some of these hot topics, such as sleep disorders and gut symptoms, have been neglected but are currently emphasized due to their close association with PD. Following these research directions in future PD research may help understand the nature of the disease and facilitate the discovery of new strategies for the diagnosis and therapy of PD.
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40
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The Role of Human LRRK2 in Acute Methylmercury Toxicity in Caenorhabditis elegans. Neurochem Res 2021; 46:2991-3002. [PMID: 34272628 DOI: 10.1007/s11064-021-03394-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 10/20/2022]
Abstract
Methylmercury (MeHg) exposure and its harmful effects on the developing brain continue to be a global environmental health concern. Decline in mitochondrial function is central to the toxic effects of MeHg and pathogenesis of mitochondria-related diseases including Parkinson's disease (PD). LRRK2 (Leucine-rich repeat kinase 2) mutation is one of the most common genetic risk factors for PD. In this study, we utilize an acute toxicity model of MeHg exposure in the model organism Caenorhabditis elegans (C. elegans) to compare lifespan, developmental progression, mitochondrial membrane potential and reactive oxygen species (ROS) between the wild-type N2 strain, wild-type LRRK2 transgenic strain (WLZ1), and mutant LRRK2(G2019S) transgenic strain (WLZ3). Additionally, the expression levels of skn-1 and gst-4 were investigated. Our results show that acute MeHg exposure (5 and 10 µM) caused a significant developmental delay in the N2 and WLZ3 worms. Notably, the worms expressing wild-type LRRK2 were resistant to 5 µM MeHg- induced developmental retardation. ROS levels in response to MeHg exposure were increased in the N2 worms, but not in the WLZ1 or WLZ3 worms. The mitochondrial membrane potential was decreased in the N2 worms but increased in the WLZ1 and WLZ3 worms following MeHg exposure. Furthermore, MeHg exposure increased the expression of skn-1 in N2, but not in WLZ1 worms. Although skn-1 expression was increased in the WLZ3 worms following MeHg exposure, gst-4 expression was not induced. Both skn-1 and gst-4 had higher basal expression levels in LRRK2s transgenic than wild-type N2 worms. Knocking down of skn-1 with feeding RNAi had a significant developmental effect in WLZ1 worms; however, the effect was not found in WLZ3 worms. These results suggest that mitochondrial dysfunction and a defect in the SKN-1 signaling in the LRRK2 G2019S worms contribute to the severe developmental delay, establishing a modulatory role of LRRK2 mutation in MeHg-induced acute toxicity.
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Wong JH, Barron AM, Abdullah JM. Mitoprotective Effects of Centella asiatica (L.) Urb.: Anti-Inflammatory and Neuroprotective Opportunities in Neurodegenerative Disease. Front Pharmacol 2021; 12:687935. [PMID: 34267660 PMCID: PMC8275827 DOI: 10.3389/fphar.2021.687935] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/17/2021] [Indexed: 11/13/2022] Open
Abstract
Natural products remain a crucial source of drug discovery for accessible and affordable solutions for healthy aging. Centella asiatica (L.) Urb. (CA) is an important medicinal plant with a wide range of ethnomedicinal uses. Past in vivo and in vitro studies have shown that the plant extract and its key components, such as asiatic acid, asiaticoside, madecassic acid and madecassoside, exhibit a range of anti-inflammatory, neuroprotective, and cognitive benefits mechanistically linked to mitoprotective and antioxidant properties of the plant. Mitochondrial dysfunction and oxidative stress are key drivers of aging and neurodegenerative disease, including Alzheimer’s disease and Parkinson’s disease. Here we appraise the growing body of evidence that the mitoprotective and antioxidative effects of CA may potentially be harnessed for the treatment of brain aging and neurodegenerative disease.
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Affiliation(s)
- Jia Hui Wong
- Neurobiology of Aging and Disease Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Singapore
| | - Anna M Barron
- Neurobiology of Aging and Disease Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Singapore
| | - Jafri Malin Abdullah
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia.,Brain & Behaviour Cluster and Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
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Cantrell MS, Soto-Avellaneda A, Wall JD, Ajeti AD, Morrison BE, Warner LR, McDougal OM. Repurposing Drugs to Treat Heart and Brain Illness. Pharmaceuticals (Basel) 2021; 14:ph14060573. [PMID: 34208502 PMCID: PMC8235459 DOI: 10.3390/ph14060573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022] Open
Abstract
Drug development is a complicated, slow and expensive process with high failure rates. One strategy to mitigate these factors is to recycle existing drugs with viable safety profiles and have gained Food and Drug Administration approval following extensive clinical trials. Cardiovascular and neurodegenerative diseases are difficult to treat, and there exist few effective therapeutics, necessitating the development of new, more efficacious drugs. Recent scientific studies have led to a mechanistic understanding of heart and brain disease progression, which has led researchers to assess myriad drugs for their potential as pharmacological treatments for these ailments. The focus of this review is to survey strategies for the selection of drug repurposing candidates and provide representative case studies where drug repurposing strategies were used to discover therapeutics for cardiovascular and neurodegenerative diseases, with a focus on anti-inflammatory processes where new drug alternatives are needed.
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Affiliation(s)
- Maranda S. Cantrell
- Biomolecular Sciences Ph.D. Program, Boise State University, Boise, ID 83725, USA; (M.S.C.); (A.S.-A.)
- Department of Chemistry and Biochemistry, Boise State University, Boise, ID 83725, USA; (J.D.W.); (A.D.A.)
| | - Alejandro Soto-Avellaneda
- Biomolecular Sciences Ph.D. Program, Boise State University, Boise, ID 83725, USA; (M.S.C.); (A.S.-A.)
- Department of Biology, Boise State University, Boise, ID 83725, USA
| | - Jackson D. Wall
- Department of Chemistry and Biochemistry, Boise State University, Boise, ID 83725, USA; (J.D.W.); (A.D.A.)
| | - Aaron D. Ajeti
- Department of Chemistry and Biochemistry, Boise State University, Boise, ID 83725, USA; (J.D.W.); (A.D.A.)
| | - Brad E. Morrison
- Department of Biology, Boise State University, Boise, ID 83725, USA
- Correspondence: (B.E.M.); (L.R.W.); (O.M.M.)
| | - Lisa R. Warner
- Biomolecular Sciences Ph.D. Program, Boise State University, Boise, ID 83725, USA; (M.S.C.); (A.S.-A.)
- Correspondence: (B.E.M.); (L.R.W.); (O.M.M.)
| | - Owen M. McDougal
- Biomolecular Sciences Ph.D. Program, Boise State University, Boise, ID 83725, USA; (M.S.C.); (A.S.-A.)
- Correspondence: (B.E.M.); (L.R.W.); (O.M.M.)
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Feng W, Wang J, Yan X, Zhang Q, Chai L, Wang Q, Shi W, Chen Y, Liu J, Qu Z, Li S, Xie X, Li M. ERK/Drp1-dependent mitochondrial fission contributes to HMGB1-induced autophagy in pulmonary arterial hypertension. Cell Prolif 2021; 54:e13048. [PMID: 33948998 PMCID: PMC8168414 DOI: 10.1111/cpr.13048] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/05/2021] [Accepted: 04/12/2021] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVES High-mobility group box-1 (HMGB1) and aberrant mitochondrial fission mediated by excessive activation of GTPase dynamin-related protein 1 (Drp1) have been found to be elevated in patients with pulmonary arterial hypertension (PAH) and critically implicated in PAH pathogenesis. However, it remains unknown whether Drp1-mediated mitochondrial fission and which downstream targets of mitochondrial fission mediate HMGB1-induced pulmonary arterial smooth muscle cells (PASMCs) proliferation and migration leading to vascular remodelling in PAH. This study aims to address these issues. METHODS Primary cultured PASMCs were obtained from male Sprague-Dawley (SD) rats. We detected RNA levels by qRT-PCR, protein levels by Western blotting, cell proliferation by Cell Counting Kit-8 (CCK-8) and EdU incorporation assays, migration by wound healing and transwell assays. SD rats were injected with monocrotaline (MCT) to establish PAH. Hemodynamic parameters were measured by closed-chest right heart catheterization. RESULTS HMGB1 increased Drp1 phosphorylation and Drp1-dependent mitochondrial fragmentation through extracellular signal-regulated kinases 1/2 (ERK1/2) signalling activation, and subsequently triggered autophagy activation, which further led to bone morphogenetic protein receptor 2 (BMPR2) lysosomal degradation and inhibitor of DNA binding 1 (Id1) downregulation, and eventually promoted PASMCs proliferation/migration. Inhibition of ERK1/2 cascade, knockdown of Drp1 or suppression of autophagy restored HMGB1-induced reductions of BMPR2 and Id1, and diminished HMGB1-induced PASMCs proliferation/migration. In addition, pharmacological inhibition of HMGB1 by glycyrrhizin, suppression of mitochondrial fission by Mdivi-1 or blockage of autophagy by chloroquine prevented PAH development in MCT-induced rats PAH model. CONCLUSIONS HMGB1 promotes PASMCs proliferation/migration and pulmonary vascular remodelling by activating ERK1/2/Drp1/Autophagy/BMPR2/Id1 axis, suggesting that this cascade might be a potential novel target for management of PAH.
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Affiliation(s)
- Wei Feng
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Jian Wang
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Xin Yan
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Qianqian Zhang
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Limin Chai
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Qingting Wang
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Wenhua Shi
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Yuqian Chen
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Jin Liu
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Zhan Qu
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Shaojun Li
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Xinming Xie
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
| | - Manxiang Li
- Department of Respiratory and Critical Care Medicinethe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an, ShaanxiChina
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Zhang W, Cheng C, Sha Z, Chen C, Yu C, Lv N, Ji P, Wu X, Ma T, Cheng H, Shi L. Rosmarinic acid prevents refractory bacterial pneumonia through regulating Keap1/Nrf2-mediated autophagic pathway and mitochondrial oxidative stress. Free Radic Biol Med 2021; 168:247-257. [PMID: 33812997 DOI: 10.1016/j.freeradbiomed.2021.03.038] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/18/2021] [Accepted: 03/28/2021] [Indexed: 12/30/2022]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is the leading cause of bacterial pneumonia, featured with exuberant inflammatory cytokine production, extensive oxidative stress and tissue injury. The Keap1/Nrf2 system is the major apparatus essential for host defense against oxidative and electrophilic stresses of both exogenous and endogenous origins, representing a logical target for host-directed strategy to treat severe inflammatory diseases including MRSA-induced pneumonia. In an effort to search therapeutics for bacterial pneumonia, we identify rosmarinic acid (RA) as a covalent modifier of Keap1 and hence an activator of Nrf2. Specifically, RA forms a covalent bond with the cysteine 151 of Keap1 in BTB domain, and blocks its association with Nrf2 for proteasome-mediated degradation. Consequently, RA treatment caused the increased Nrf2 nuclear translocation to initiate antioxidant and mitochondrial biogenic programs, as well as macrophage bactericidal activity through inducing autophagic pathway, which eventually led to expedited bacterial eradication, inflammation resolution, and disease recovery. Collectively, our findings establish RA as a specific inducer of Nrf2 and show its potential to prevent MRSA pneumonia.
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Affiliation(s)
- Wei Zhang
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Cheng Cheng
- The First School of Clinical Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, 210029, Nanjing, China
| | - Zhou Sha
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Changmai Chen
- School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China; State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 100191, Beijing, China
| | - Chengtao Yu
- Collaborative Innovation Center of Jiangsu Province of Cancer Prevention and Treatment of Chinese Medicine, 210023, Nanjing, China
| | - Nianyin Lv
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Peng Ji
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Xiaohui Wu
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Tonghui Ma
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China
| | - Haibo Cheng
- The First School of Clinical Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, 210029, Nanjing, China; Collaborative Innovation Center of Jiangsu Province of Cancer Prevention and Treatment of Chinese Medicine, 210023, Nanjing, China.
| | - Liyun Shi
- School of Medicine, Nanjing University of Chinese Medicine, 210046, Nanjing, China; Collaborative Innovation Center of Jiangsu Province of Cancer Prevention and Treatment of Chinese Medicine, 210023, Nanjing, China; International Medical College, Zhejiang Shuren University, 310022, Hangzhou, China.
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Rottenberg H, Hoek JB. The Mitochondrial Permeability Transition: Nexus of Aging, Disease and Longevity. Cells 2021; 10:cells10010079. [PMID: 33418876 PMCID: PMC7825081 DOI: 10.3390/cells10010079] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/23/2020] [Accepted: 01/01/2021] [Indexed: 12/11/2022] Open
Abstract
The activity of the mitochondrial permeability transition pore, mPTP, a highly regulated multi-component mega-channel, is enhanced in aging and in aging-driven degenerative diseases. mPTP activity accelerates aging by releasing large amounts of cell-damaging reactive oxygen species, Ca2+ and NAD+. The various pathways that control the channel activity, directly or indirectly, can therefore either inhibit or accelerate aging or retard or enhance the progression of aging-driven degenerative diseases and determine lifespan and healthspan. Autophagy, a catabolic process that removes and digests damaged proteins and organelles, protects the cell against aging and disease. However, the protective effect of autophagy depends on mTORC2/SKG1 inhibition of mPTP. Autophagy is inhibited in aging cells. Mitophagy, a specialized form of autophagy, which retards aging by removing mitochondrial fragments with activated mPTP, is also inhibited in aging cells, and this inhibition leads to increased mPTP activation, which is a major contributor to neurodegenerative diseases, such as Alzheimer's and Parkinson's diseases. The increased activity of mPTP in aging turns autophagy/mitophagy into a destructive process leading to cell aging and death. Several drugs and lifestyle modifications that enhance healthspan and lifespan enhance autophagy and inhibit the activation of mPTP. Therefore, elucidating the intricate connections between pathways that activate and inhibit mPTP, in the context of aging and degenerative diseases, could enhance the discovery of new drugs and lifestyle modifications that slow aging and degenerative disease.
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Affiliation(s)
- Hagai Rottenberg
- New Hope Biomedical R&D, 23 W. Bridge street, New Hope, PA 18938, USA
- Correspondence: ; Tel.: +1-267-614-5588
| | - Jan B. Hoek
- MitoCare Center, Department of Anatomy, Pathology and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA;
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