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Zhao N, Xu B, Xia J, Wang J, Zhang X, Yan Q. Effect of alternating nicotinamide phosphoribosyltransferase expression levels on mitophagy in Alzheimer's disease mouse models. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167288. [PMID: 38862096 DOI: 10.1016/j.bbadis.2024.167288] [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: 01/08/2024] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 06/13/2024]
Abstract
AD is the abbreviation for Alzheimer's Disease, which is a neurodegenerative disorder that features progressive dysfunction in cognition. Previous research has reported that mitophagy impairment and mitochondrial dysfunction have been crucial factors in the AD's pathogenesis. More recently, literature has emerged which offers findings suggesting that the nicotinamide adenine dinucleotide (short for NAD+) augmentation eliminates the defective mitochondria and restores mitophagy. Meanwhile, as an enzyme which is rate-limiting, the Nicotinamide phosphoribosyltransferase, or NAMPT, is part of the salvage pathway of NAD+ synthesis. Therefore, the aim of the research project has been to produce proof for how the NAMPT-NAD +-silent information-regulated transcription factors1/3 (short for SIRT1/3) axis function in mediating mitophagy in APP/PS1 mice aged six months. The results revealed that the NAMPT-NAD+-SIRT1/3 axis in the APP/PS1 mice's hippocampus was considerably declined. Surprisingly, P7C3 (an NAMPT activator) noticeably promoted the NAD+-SIRT1/3 axis, improved mitochondrial structure and function, enhanced mitophagy activity along with the ability of learning and memory. While FK866 (an NAMPT inhibitor) reversed the decreased NAD+-SIRT1/3 axis, and even exacerbated Aβ plaque deposition level in the APP/PS1 mice's hippocampus. The findings observed in this study indicate two main points: avoiding downregulation of the NAMPT activity can prevent AD-related mitophagy impairment; on the other hand, NAMPT characterizes a potential therapeutic intervention regarding AD pathogenesis.
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Affiliation(s)
- Na Zhao
- College of Sports and Health, Shandong Sport University, Jinan 250102, China.
| | - Bo Xu
- College of Physical Education and Health, East China Normal University, Shanghai, China
| | - Jie Xia
- Department of Physical Education, Shanghai Jiao Tong University, Shanghai, China
| | - Jing Wang
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, Shandong, China
| | - Xianliang Zhang
- School of Physical Education, Shandong University, Jinan, China
| | - Qingwei Yan
- School of Physical Education, Xizang Minzu University, Xianyang 712082, Shanxi, China
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2
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Luo JS, Zhai WH, Ding LL, Zhang XJ, Han J, Ning JQ, Chen XM, Jiang WC, Yan RY, Chen MJ. MAMs and Mitochondrial Quality Control: Overview and Their Role in Alzheimer's Disease. Neurochem Res 2024; 49:2682-2698. [PMID: 39002091 DOI: 10.1007/s11064-024-04205-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/20/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024]
Abstract
Alzheimer's disease (AD) represents the most widespread neurodegenerative disorder, distinguished by a gradual onset and slow progression, presenting a substantial challenge to global public health. The mitochondrial-associated membrane (MAMs) functions as a crucial center for signal transduction and material transport between mitochondria and the endoplasmic reticulum, playing a pivotal role in various pathological mechanisms of AD. The dysregulation of mitochondrial quality control systems is considered a fundamental factor in the development of AD, leading to mitochondrial dysfunction and subsequent neurodegenerative events. Recent studies have emphasized the role of MAMs in regulating mitochondrial quality control. This review will delve into the molecular mechanisms underlying the imbalance in mitochondrial quality control in AD and provide a comprehensive overview of the role of MAMs in regulating mitochondrial quality control.
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Affiliation(s)
- Jian-Sheng Luo
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Wen-Hu Zhai
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Ling-Ling Ding
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China.
| | - Xian-Jie Zhang
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Jia Han
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Jia-Qi Ning
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
| | - Xue-Meng Chen
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Wen-Cai Jiang
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Ru-Yu Yan
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
| | - Meng-Jie Chen
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
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3
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Li Y, Li Z, Grillo E, Desler C, Navarro C, Bohr VA, Berliocchi L, Rasmussen LJ. Human fibroblasts from sporadic Alzheimer's disease (AD) patients show mitochondrial alterations and lysosome dysfunction. Free Radic Biol Med 2024; 222:569-578. [PMID: 39009245 DOI: 10.1016/j.freeradbiomed.2024.07.013] [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: 04/14/2024] [Revised: 06/14/2024] [Accepted: 07/12/2024] [Indexed: 07/17/2024]
Abstract
Mitophagy is a mechanism that maintains mitochondrial integrity and homeostasis and is thought to promote longevity and reduce the risk of age-related neurodegenerative diseases, including Alzheimer's disease (AD). Here, we investigate the abundance of mitochondrial reactive oxygen species (ROS), mitochondrial function, and mitophagy in primary fibroblasts from patients with sporadic AD (sAD) and normal healthy controls. The results show increased levels of mitochondrial ROS, changes in mitochondrial morphology, altered bioenergetic properties, and defects in autophagy, mitophagy, and lysosome-mediated degradation pathways in sAD fibroblasts relative to control fibroblasts. Interestingly, lysosome abundance and the staining of lysosomal markers remained high, while the capacity of lysosome-dependent degradation was lower in sAD fibroblasts than in controls fibroblasts. Nicotinamide riboside supplementation decreased mitochondrial ROS, while capacity for lysosomal degradation remained unchanged in sAD fibroblasts relative to healthy control fibroblasts. These findings provide insight into molecular mechanisms involving the dysregulation of lysosome and autophagy/mitophagy pathways that may contribute significantly to clinical signs and pathological features of sAD.
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Affiliation(s)
- Yuan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Zhiquan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Emanuela Grillo
- Department of Health Sciences, University Magna Græcia of Catanzaro, 88100, Catanzaro, Italy
| | - Claus Desler
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Claudia Navarro
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Vilhelm A Bohr
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark; Section on DNA Repair, National Institute on Aging, 251 Bayview Blvd, Baltimore, MD, 21224, USA
| | - Laura Berliocchi
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark; Department of Health Sciences, University Magna Græcia of Catanzaro, 88100, Catanzaro, Italy
| | - Lene Juel Rasmussen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark.
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4
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Fairley LH, Grimm A, Herff SA, Eckert A. Translocator protein (TSPO) ligands attenuate mitophagy deficits in the SH-SY5Y cellular model of Alzheimer's disease via the autophagy adaptor P62. Biochimie 2024; 224:132-138. [PMID: 38280505 DOI: 10.1016/j.biochi.2024.01.012] [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: 10/05/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
Mitochondrial dysfunction has been widely implicated in the pathogenesis of Alzheimer's disease (AD), with accumulation of damaged and dysfunctional mitochondria occurring early in the disease. Mitophagy, which governs mitochondrial turnover and quality control, is impaired in the AD brain, and strategies aimed at enhancing mitophagy have been identified as promising therapeutic targets. The translocator protein (TSPO) is an outer mitochondrial membrane protein that is upregulated in AD, and ligands targeting TSPO have been shown to exert neuroprotective effects in mouse models of AD. However, whether TSPO ligands modulate mitophagy in AD has not been explored. Here, we provide evidence that the TSPO-specific ligands Ro5-4864 and XBD173 attenuate mitophagy deficits and mitochondrial fragmentation in a cellular model of AD overexpressing the human amyloid precursor protein (APP). Ro5-4864 and XBD173 appear to enhance mitophagy via modulation of the autophagic cargo receptor P62/SQSTM1, in the absence of an effect on PARK2, PINK1, or LC3 level. Taken together, these findings indicate that TSPO ligands may be promising therapeutic agents for ameliorating mitophagy deficits in AD.
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Affiliation(s)
- Lauren H Fairley
- Research Cluster, Molecular & Cognitive Neuroscience, Neurobiology Laboratory for Brain Aging and Mental Health, University of Basel, Basel, Switzerland.
| | - Amandine Grimm
- Research Cluster, Molecular & Cognitive Neuroscience, Neurobiology Laboratory for Brain Aging and Mental Health, University of Basel, Basel, Switzerland; Psychiatric University Clinics, Basel, Switzerland
| | - Steffen A Herff
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Australia
| | - Anne Eckert
- Research Cluster, Molecular & Cognitive Neuroscience, Neurobiology Laboratory for Brain Aging and Mental Health, University of Basel, Basel, Switzerland; Psychiatric University Clinics, Basel, Switzerland
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5
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Hong WL, Huang H, Zeng X, Duan CY. Targeting mitochondrial quality control: new therapeutic strategies for major diseases. Mil Med Res 2024; 11:59. [PMID: 39164792 PMCID: PMC11337860 DOI: 10.1186/s40779-024-00556-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 07/13/2024] [Indexed: 08/22/2024] Open
Abstract
Mitochondria play a crucial role in maintaining the normal physiological state of cells. Hence, ensuring mitochondrial quality control is imperative for the prevention and treatment of numerous diseases. Previous reviews on this topic have however been inconsistencies and lack of systematic organization. Therefore, this review aims to provide a comprehensive and systematic overview of mitochondrial quality control and explore the possibility of targeting the same for the treatment of major diseases. This review systematically summarizes three fundamental characteristics of mitochondrial quality control, including mitochondrial morphology and dynamics, function and metabolism, and protein expression and regulation. It also extensively examines how imbalances in mitochondrial quality are linked to major diseases, such as ischemia-hypoxia, inflammatory disorders, viral infections, metabolic dysregulations, degenerative conditions, and tumors. Additionally, the review explores innovative approaches to target mitochondrial quality control, including using small molecule drugs that regulate critical steps in maintaining mitochondrial quality, nanomolecular materials designed for precise targeting of mitochondria, and novel cellular therapies, such as vesicle therapy and mitochondrial transplantation. This review offers a novel perspective on comprehending the shared mechanisms underlying the occurrence and progression of major diseases and provides theoretical support and practical guidance for the clinical implementation of innovative therapeutic strategies that target mitochondrial quality control for treating major diseases.
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Affiliation(s)
- Wei-Long Hong
- Department of Anesthesiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - He Huang
- Department of Anesthesiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Xue Zeng
- Department of Anesthesiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Chen-Yang Duan
- Department of Anesthesiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
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6
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Earnshaw R, Zhang YT, Heymann G, Fujisawa K, Hui S, Kapadia M, Kalia LV, Kalia SK. Disease-associated mutations in C-terminus of HSP70 interacting protein (CHIP) impair its ability to negatively regulate mitophagy. Neurobiol Dis 2024; 200:106625. [PMID: 39117117 DOI: 10.1016/j.nbd.2024.106625] [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: 01/25/2024] [Revised: 06/05/2024] [Accepted: 07/31/2024] [Indexed: 08/10/2024] Open
Abstract
C-terminus of HSP70 interacting protein (CHIP) is an E3 ubiquitin ligase and HSP70 cochaperone. Mutations in the CHIP encoding gene are the cause of two neurodegenerative conditions: spinocerebellar ataxia autosomal dominant type 48 (SCA48) and autosomal recessive type 16 (SCAR16). The mechanisms underlying CHIP-associated diseases are currently unknown. Mitochondrial dysfunction, specifically dysfunction in mitochondrial autophagy (mitophagy), is increasingly implicated in neurodegenerative diseases and loss of CHIP has been demonstrated to result in mitochondrial dysfunction in multiple animal models, although how CHIP is involved in mitophagy regulation has been previously unknown. Here, we demonstrate that CHIP acts as a negative regulator of the PTEN-induced kinase 1 (PINK1)/Parkin-mediated mitophagy pathway, promoting the degradation of PINK1, impairing Parkin translocation to the mitochondria, and suppressing mitophagy in response to mitochondrial stress. We also show that loss of CHIP enhances neuronal mitophagy in a PINK1 and Parkin dependent manner in Caenorhabditis elegans. Furthermore, we find that multiple disease-associated mutations in CHIP dysregulate mitophagy both in vitro and in vivo in C. elegans neurons, a finding which could implicate mitophagy dysregulation in CHIP-associated diseases.
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Affiliation(s)
- Rebecca Earnshaw
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Yu Tong Zhang
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Gregory Heymann
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Kazuko Fujisawa
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
| | - Sarah Hui
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Minesh Kapadia
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
| | - Lorraine V Kalia
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Division of Neurology, Department of Medicine, University of Toronto, 399 Bathurst Street, Toronto, ON M5T 2S8, Canada; CRANIA, University Health Network, 550 University Avenue, Toronto, ON M5G 2A2, Canada
| | - Suneil K Kalia
- Krembil Research Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; CRANIA, University Health Network, 550 University Avenue, Toronto, ON M5G 2A2, Canada; Division of Neurosurgery, Department of Surgery, University of Toronto, 399 Bathurst Street, Toronto M5T 2S8, ON, Canada.
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7
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Veverová K, Laczó J, Katonová A, Horáková H, Matušková V, Angelucci F, Laczó M, Nedelská Z, Hort J, Wang HL, Zhang J, Shi L, Fei Fang E, Vyhnálek M. Alterations of human CSF and serum-based mitophagy biomarkers in the continuum of Alzheimer disease. Autophagy 2024; 20:1868-1878. [PMID: 38695174 PMCID: PMC11262225 DOI: 10.1080/15548627.2024.2340408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 04/04/2024] [Indexed: 07/23/2024] Open
Abstract
Defective mitophagy is consistently found in postmortem brain and iPSC-derived neurons from Alzheimer disease (AD) patients. However, there is a lack of extensive examination of mitophagy status in serum or cerebrospinal fluid (CSF), and the clinical potential of mitophagy biomarkers has not been tested. We quantified biomarkers of mitophagy/autophagy and lysosomal degradation (PINK1, BNIP3L and TFEB) in CSF and serum from 246 individuals, covering mild cognitive impairment due to AD (MCI-AD, n = 100), dementia due to AD (AD-dementia, n = 100), and cognitively unimpaired individuals (CU, n = 46), recruited from the Czech Brain Aging Study. Cognitive function and brain atrophy were also assessed. Our data show that serum and CSF PINK1 and serum BNIP3L were higher, and serum TFEB was lower in individuals with AD than in corresponding CU individuals. Additionally, the magnitude of mitophagy impairment correlated with the severity of clinical indicators in AD patients. Specifically, levels of PINK1 positively correlated with phosphorylated (p)-MAPT/tau (181), total (t)-MAPT/tau, NEFL (neurofilament light chain), and NRGN (neurogranin) levels in CSF and negatively with memory, executive function, and language domain. Serum TFEB levels negatively correlated with NEFL and positively with executive function and language. This study reveals mitophagy impairment reflected in biofluid biomarkers of individuals with AD and associated with more advanced AD pathology.Abbreviation: Aβ: amyloid beta; AD: Alzheimer disease; AVs: autophagic vacuoles; BNIP3L: BCL2 interacting protein 3 like; CU: cognitively unimpaired; CSF: cerebrospinal fluid; LAMP1: lysosomal-associated membrane protein 1; MAP1LC3/LC3: microtubule associated protein 1 light chain 3; MCI: mild cognitive impairment; NRGN: neurogranin; NEFL: neurofilament light chain; p-MAPT/tau: phosphorylated microtubule associated protein tau; PINK1: PTEN induced kinase 1; t-MAPT/tau: total microtubule associated protein tau; TFEB: transcription factor EB; TMT: Trail Making Test.
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Affiliation(s)
- Kateřina Veverová
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Jan Laczó
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Alžběta Katonová
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Hana Horáková
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Veronika Matušková
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Francesco Angelucci
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Martina Laczó
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Zuzana Nedelská
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Jakub Hort
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - He-Ling Wang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, Lørenskog, Norway
| | - Jianying Zhang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, Lørenskog, Norway
| | - Liu Shi
- Department of Psychiatry, University of Oxford, Oxford, UK
| | - Evandro Fei Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, Lørenskog, Norway
- The Norwegian Centre on Healthy Ageing (NO-Age), Oslo, Norway
| | - Martin Vyhnálek
- Memory Clinic, Department of Neurology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
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Lee S, Kang M, Lee S, Yoon S, Cho Y, Min D, Ann D, Shin J, Paik YK, Jo D. AAV-aMTD-Parkin, a therapeutic gene delivery cargo, enhances motor and cognitive functions in Parkinson's and Alzheimer's diseases. Pharmacol Res 2024; 208:107326. [PMID: 39069196 DOI: 10.1016/j.phrs.2024.107326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 07/26/2024] [Accepted: 07/26/2024] [Indexed: 07/30/2024]
Abstract
Neurodegenerative disorders, such as Parkinson's disease (PD) and Alzheimer's disease (AD), have a global prevalence and profoundly impact both motor and cognitive functions. Although adeno-associated virus (AAV)-based gene therapy has shown promise, its application for treating central nervous system (CNS) diseases faces several challenges, including effective delivery of AAV vectors across the blood-brain barrier, determining optimal dosages, and achieving targeted distribution. To address these challenges, we have developed a fusion delivery therapeutic cargo called AAV-aMTD-Parkin, which combines a hydrophobic cell-penetrating peptide sequence with the DNA sequences of AAV and Parkin. By employing this fusion delivery platform at lower dosages compared to zolgensma, we have achieved significant enhancements in cell and tissue permeability, while reducing the occurrence of common pathological protein aggregates. Consequently, motor and cognitive functions were restored in animal models of PD and AD. With its dual functionality in addressing PD and AD, AAV-aMTD-Parkin holds immense potential as a novel class of therapeutic biologics for prevalent CNS diseases.
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Affiliation(s)
- Seokwon Lee
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Mingu Kang
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Seungwoo Lee
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Sangsun Yoon
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Yeonjin Cho
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Dongjae Min
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Daye Ann
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Jisoo Shin
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Young-Ki Paik
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea
| | - Daewoong Jo
- Cellivery R&D Institute, Cellivery Therapeutics, Inc., Seoul 07806, South Korea.
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Eysert F, Kinoshita PF, Lagarde J, Lacas-Gervais S, Xicota L, Dorothée G, Bottlaender M, Checler F, Potier MC, Sarazin M, Chami M. Mitochondrial alterations in fibroblasts from sporadic Alzheimer's disease (AD) patients correlate with AD-related clinical hallmarks. Acta Neuropathol Commun 2024; 12:90. [PMID: 38851733 PMCID: PMC11161956 DOI: 10.1186/s40478-024-01807-x] [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: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/10/2024] Open
Abstract
Mitochondrial dysfunctions are key features of Alzheimer's disease (AD). The occurrence of these disturbances in the peripheral cells of AD patients and their potential correlation with disease progression are underinvestigated. We studied mitochondrial structure, function and mitophagy in fibroblasts from healthy volunteers and AD patients at the prodromal (AD-MCI) or demented (AD-D) stages. We carried out correlation studies with clinical cognitive scores, namely, (i) Mini-Mental State Examination (MMSE) and (ii) Dementia Rating-Scale Sum of Boxes (CDR-SOB), and with (iii) amyloid beta (Aβ) plaque burden (PiB-PET imaging) and (iv) the accumulation of peripheral amyloid precursor protein C-terminal fragments (APP-CTFs). We revealed alterations in mitochondrial structure as well as specific mitochondrial dysfunction signatures in AD-MCI and AD-D fibroblasts and revealed that defective mitophagy and autophagy are linked to impaired lysosomal activity in AD-D fibroblasts. We reported significant correlations of a subset of these dysfunctions with cognitive decline, AD-related clinical hallmarks and peripheral APP-CTFs accumulation. This study emphasizes the potential use of peripheral cells for investigating AD pathophysiology.
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Affiliation(s)
- Fanny Eysert
- INSERM, CNRS, Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, 660 Route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Paula-Fernanda Kinoshita
- INSERM, CNRS, Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, 660 Route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Julien Lagarde
- Department of Neurology of Memory and Language, GHU Paris Psychiatrie & Neurosciences, Hôpital Sainte Anne, 75014, Paris, France
- Université Paris-Cité, 75006, Paris, France
- BioMaps, Service Hospitalier Frédéric Joliot CEA, CNRS, Inserm, Université Paris-Saclay, 91401, Orsay, France
| | - Sandra Lacas-Gervais
- Centre Commun de Microscopie Appliquée, Université de Nice Côte d'Azur, 06108, Nice, France
| | - Laura Xicota
- UPMC University Paris 06, UMRS 1127, Sorbonne Universités, Paris, France
- ICM Research Center, CNRS UMR 7225, Paris, France
| | - Guillaume Dorothée
- Inserm, Centre de Recherche Saint-Antoine, CRSA, Immune System and Neuroinflammation Laboratory, Hôpital Saint-Antoine, Sorbonne Université, 75012, Paris, France
| | - Michel Bottlaender
- BioMaps, Service Hospitalier Frédéric Joliot CEA, CNRS, Inserm, Université Paris-Saclay, 91401, Orsay, France
- UNIACT, Neurospin, Joliot Institute, CEA, Université Paris-Saclay, 91140, Gif sur Yvette, France
| | - Frédéric Checler
- INSERM, CNRS, Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, 660 Route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Marie-Claude Potier
- UPMC University Paris 06, UMRS 1127, Sorbonne Universités, Paris, France
- ICM Research Center, CNRS UMR 7225, Paris, France
| | - Marie Sarazin
- Department of Neurology of Memory and Language, GHU Paris Psychiatrie & Neurosciences, Hôpital Sainte Anne, 75014, Paris, France
- Université Paris-Cité, 75006, Paris, France
- BioMaps, Service Hospitalier Frédéric Joliot CEA, CNRS, Inserm, Université Paris-Saclay, 91401, Orsay, France
| | - Mounia Chami
- INSERM, CNRS, Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, 660 Route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France.
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10
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Liang Z, Zhuang H, Cao X, Ma G, Shen L. Subcellular proteomics insights into Alzheimer's disease development. Proteomics Clin Appl 2024; 18:e2200112. [PMID: 37650321 DOI: 10.1002/prca.202200112] [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: 04/30/2023] [Revised: 07/27/2023] [Accepted: 08/12/2023] [Indexed: 09/01/2023]
Abstract
Alzheimer's disease (AD), one of the most common dementias, is a neurodegenerative disease characterized by cognitive impairment and decreased judgment function. The expected number of AD patient is increasing in the context of the world's advancing medical care and increasing human life expectancy. Since current molecular mechanism studies on AD pathogenesis are incomplete, there is no specific and effective therapeutic agent. Mass spectrometry (MS)-based unbiased proteomics studies provide an effective and comprehensive approach. Many advances have been made in the study of the mechanism, diagnostic markers, and drug targets of AD using proteomics. This paper focus on subcellular level studies, reviews studies using proteomics to study AD-associated mitochondrial dysfunction, synaptic, and myelin damage, the protein composition of amyloid plaques (APs) and neurofibrillary tangles (NFTs), changes in tissue extracellular vehicles (EVs) and exosome proteome, and the protein changes in ribosomes and lysosomes. The methods of sample separation and preparation and proteomic analysis as well as the main findings of these studies are involved. The results of these proteomics studies provide insights into the pathogenesis of AD and provide theoretical resource and direction for future research in AD, helping to identify new biomarkers and drugs targets for AD.
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Affiliation(s)
- Zhiyuan Liang
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P. R. China
| | - Hongbin Zhuang
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P. R. China
| | - Xueshan Cao
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P. R. China
- College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, P. R. China
| | - Guanwei Ma
- School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, P. R. China
| | - Liming Shen
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P. R. China
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, P. R. China
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11
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Yang K, Yan Y, Yu A, Zhang R, Zhang Y, Qiu Z, Li Z, Zhang Q, Wu S, Li F. Mitophagy in neurodegenerative disease pathogenesis. Neural Regen Res 2024; 19:998-1005. [PMID: 37862201 PMCID: PMC10749592 DOI: 10.4103/1673-5374.385281] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/23/2023] [Accepted: 08/15/2023] [Indexed: 10/22/2023] Open
Abstract
Mitochondria are critical cellular energy resources and are central to the life of the neuron. Mitophagy selectively clears damaged or dysfunctional mitochondria through autophagic machinery to maintain mitochondrial quality control and homeostasis. Mature neurons are postmitotic and consume substantial energy, thus require highly efficient mitophagy pathways to turn over damaged or dysfunctional mitochondria. Recent evidence indicates that mitophagy is pivotal to the pathogenesis of neurological diseases. However, more work is needed to study mitophagy pathway components as potential therapeutic targets. In this review, we briefly discuss the characteristics of nonselective autophagy and selective autophagy, including ERphagy, aggrephagy, and mitophagy. We then introduce the mechanisms of Parkin-dependent and Parkin-independent mitophagy pathways under physiological conditions. Next, we summarize the diverse repertoire of mitochondrial membrane receptors and phospholipids that mediate mitophagy. Importantly, we review the critical role of mitophagy in the pathogenesis of neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. Last, we discuss recent studies considering mitophagy as a potential therapeutic target for treating neurodegenerative diseases. Together, our review may provide novel views to better understand the roles of mitophagy in neurodegenerative disease pathogenesis.
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Affiliation(s)
- Kan Yang
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Excellence in Brain Science and Intelligence Technology, Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Key Laboratory of Primate Neurobiology, Chinese Academy of Sciences, Shanghai, China
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Yuqing Yan
- School of Medicine, Yunnan University, Kunming, Yunnan Province, China
| | - Anni Yu
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Ru Zhang
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Yuefang Zhang
- Songjiang Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zilong Qiu
- Songjiang Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengyi Li
- Neurosurgery Department, Kunming Yenan Hospital, Kunming, Yunnan Province, China
| | - Qianlong Zhang
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shihao Wu
- School of Medicine, Yunnan University, Kunming, Yunnan Province, China
| | - Fei Li
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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12
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Xie Y, Ke X, Ye Z, Li X, Chen Z, Liu J, Wu Z, Liu Q, Du X. Se-methylselenocysteine ameliorates mitochondrial function by targeting both mitophagy and autophagy in the mouse model of Alzheimer's disease. Food Funct 2024; 15:4310-4322. [PMID: 38529619 DOI: 10.1039/d4fo00520a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Background: Alzheimer's disease (AD) exerts tremendous pressure on families and society due to its unknown etiology and lack of effective treatment options. Our previous study had shown that Se-methylselenocysteine (SMC) improved the cognition and synaptic plasticity of triple-transgenic AD (3 × Tg-AD) mice and alleviated the related pathological indicators. We are dedicated to investigating the therapeutic effects and molecular mechanisms of SMC on mitochondrial function in 3 × Tg-AD mice. Methods: Transmission electron microscopy (TEM), western blotting (WB), mitochondrial membrane potential (ΔΨm), mitochondrial swelling test, and mitochondrial oxygen consumption test were used to evaluate the mitochondrial morphology and function. Mitophagy flux and autophagy flux were assessed with immunofluorescence, TEM and WB. The Morris water maze test was applied to detect the behavioral ability of mice. Results: The destroyed mitochondrial morphology and function were repaired by SMC through ameliorating mitochondrial energy metabolism, mitochondrial biogenesis and mitochondrial fusion/fission balance in 3 × Tg-AD mice. In addition, SMC ameliorated mitochondria by activating mitophagy flux via the BNIP3/NIX pathway and triggering autophagy flux by suppressing the Ras/Raf/MEK/ERK/mTOR pathway. SMC remarkably increased the cognitive ability of AD mice. Conclusions: This research indicated that SMC might exert its therapeutic effect by protecting mitochondria in 3 × Tg-AD mice.
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Affiliation(s)
- Yongli Xie
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Xiaoshan Ke
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Zhencong Ye
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Xuexia Li
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Zetao Chen
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Jiantao Liu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Ziyi Wu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
| | - Qiong Liu
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Xiubo Du
- Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, China.
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13
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Zhou Y, Zhao Q, Zhang Y, Di L, Xue F, Xu W, Gao W, Guo Y, He Y, Kou J, Qin Y, Xie X, Du L, Han G, Pang X. A new andrographolide derivative ADA targeting SIRT3-FOXO3a signaling mitigates cognitive impairment by activating mitophagy and inhibiting neuroinflammation in Apoe4 mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 124:155298. [PMID: 38185066 DOI: 10.1016/j.phymed.2023.155298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 12/04/2023] [Accepted: 12/16/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Alzheimer's disease (AD) is one of the most common neurodegenerative diseases and mitophagy deficit was identified as the typical abnormality in early stage of AD. The neuroprotective effect of andrographolide (AGA) has been confirmed, anda acetylated derivative of AGA (3,14,19-triacetylandrographolide, ADA) was considered to have stronger efficacy. PURPOSE The current study aims to investigate the impact of ADA on cognitive ability in a sporadic AD model and explore its potential mechanism. STUDY DESIGN/ METHODS Apoe4 mouse was adopted for evaluating the impact of AGA on cognitive impairment through a serious of behavioral tests. The molecular mechanism of ADA involved in mitophagy and neuroinflammation was investigated in detailby Western blot, ELISA, immunofluorescence and transmission electron microscopy in Apoe4 mice, as well as Apoe4-transfected BV2 cells and HT22 cells. RESULTS ADA application significantly improved cognitive impairment of Apoe4 mice, and lessened Aβ load and neuronal damage, which has stronger activity than its prototype AGA. Accumulated mitophagy markers LC3II, P62, TOM20, PINK1 and Parkin, and decreased mitophagy receptor BNIP3 in hippocampus of Apoe4 mice were greatly reversed after ADA treatment. Meanwhile, ADA promoted the recruitment of BNIP3 to mitochondria, and the transport of damaged mitochondria to lysosome, indicating that disturbed mitophagy in AD mice was restored by ADA. Inhibited SIRT3 and FOXO3a in Apoe4 mice brains were elevated after ADA treatment. ADA also lightened the neuroinflammation caused by NLRP3 inflammasome activation. Additionally, damaged mitophagy and/or activated NLRP3 inflammasome were also observed in BV2 cells and HT22 cells transfected with Apoe4, all of which were rescued by ADA incubation. Noteworthily, SIRT3 inhibitor 3-TYP could abolish the impact of ADA on mitophagy and NLRP3 inflammasome in vitro. CONCLUSION ADA exerted stronger cognition-enhancing ability in relative to AGA, and ADA could repaire mitophagy deficiency via SIRT3-FOXO3a pathway, and subsequently inhibite NLRP3 inflammasome to mitigate AD pathology.
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Affiliation(s)
- Yunfeng Zhou
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China; State Key Laboratroy of Antiviral Drugs, Henan University, Kaifeng 475004, China
| | - Qian Zhao
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yixuan Zhang
- Huaihe Hosptial of Henan University, Kaifeng 475000, China
| | - Lulu Di
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Feng Xue
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Wangjun Xu
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Weiping Gao
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yukun Guo
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yangyang He
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China; Institutes of Traditional Chinese Medicine, Henan University, Kaifeng 475004, China; State Key Laboratroy of Antiviral Drugs, Henan University, Kaifeng 475004, China
| | - Jiejian Kou
- Huaihe Hosptial of Henan University, Kaifeng 475000, China
| | - Ying Qin
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Xinmei Xie
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China; State Key Laboratroy of Antiviral Drugs, Henan University, Kaifeng 475004, China.
| | - Lida Du
- Institute of Molecular Medicine & Innovative Pharmaceutics, Qingdao University, Qingdao 266071, China.
| | - Guang Han
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China; State Key Laboratroy of Antiviral Drugs, Henan University, Kaifeng 475004, China.
| | - Xiaobin Pang
- Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng 475004, China; Institutes of Traditional Chinese Medicine, Henan University, Kaifeng 475004, China; State Key Laboratroy of Antiviral Drugs, Henan University, Kaifeng 475004, China.
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14
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Reiss AB, Gulkarov S, Jacob B, Srivastava A, Pinkhasov A, Gomolin IH, Stecker MM, Wisniewski T, De Leon J. Mitochondria in Alzheimer's Disease Pathogenesis. Life (Basel) 2024; 14:196. [PMID: 38398707 PMCID: PMC10890468 DOI: 10.3390/life14020196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Alzheimer's disease (AD) is a progressive and incurable neurodegenerative disorder that primarily affects persons aged 65 years and above. It causes dementia with memory loss and deterioration in thinking and language skills. AD is characterized by specific pathology resulting from the accumulation in the brain of extracellular plaques of amyloid-β and intracellular tangles of phosphorylated tau. The importance of mitochondrial dysfunction in AD pathogenesis, while previously underrecognized, is now more and more appreciated. Mitochondria are an essential organelle involved in cellular bioenergetics and signaling pathways. Mitochondrial processes crucial for synaptic activity such as mitophagy, mitochondrial trafficking, mitochondrial fission, and mitochondrial fusion are dysregulated in the AD brain. Excess fission and fragmentation yield mitochondria with low energy production. Reduced glucose metabolism is also observed in the AD brain with a hypometabolic state, particularly in the temporo-parietal brain regions. This review addresses the multiple ways in which abnormal mitochondrial structure and function contribute to AD. Disruption of the electron transport chain and ATP production are particularly neurotoxic because brain cells have disproportionately high energy demands. In addition, oxidative stress, which is extremely damaging to nerve cells, rises dramatically with mitochondrial dyshomeostasis. Restoring mitochondrial health may be a viable approach to AD treatment.
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Affiliation(s)
- Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Shelly Gulkarov
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Benna Jacob
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Ankita Srivastava
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Aaron Pinkhasov
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Irving H. Gomolin
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
| | - Mark M. Stecker
- The Fresno Institute of Neuroscience, Fresno, CA 93730, USA;
| | - Thomas Wisniewski
- Center for Cognitive Neurology, Departments of Neurology, Pathology and Psychiatry, New York University Grossman School of Medicine, New York, NY 10016, USA;
| | - Joshua De Leon
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (S.G.); (B.J.); (A.S.); (A.P.); (I.H.G.); (J.D.L.)
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15
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De Bastiani MA, Bellaver B, Carello-Collar G, Zimmermann M, Kunach P, Lima-Filho RA, Forner S, Martini AC, Pascoal TA, Lourenco MV, Rosa-Neto P, Zimmer ER. Cross-species comparative hippocampal transcriptomics in Alzheimer's disease. iScience 2024; 27:108671. [PMID: 38292167 PMCID: PMC10824791 DOI: 10.1016/j.isci.2023.108671] [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: 10/11/2022] [Revised: 07/11/2023] [Accepted: 12/05/2023] [Indexed: 02/01/2024] Open
Abstract
Alzheimer's disease (AD) is a multifactorial pathology, with most cases having a sporadic origin. Recently, knock-in (KI) mouse models, such as the novel humanized amyloid-β (hAβ)-KI, have been developed to better resemble sporadic human AD. METHODS Here, we compared hippocampal publicly available transcriptomic profiles of transgenic (5xFAD and APP/PS1) and KI (hAβ-KI) mouse models with early- (EOAD) and late- (LOAD) onset AD patients. RESULTS The three mouse models presented more Gene Ontology biological processes terms and enriched signaling pathways in common with LOAD than with EOAD individuals. Experimental validation of consistently dysregulated genes revealed five altered in mice (SLC11A1, S100A6, CD14, CD33, and C1QB) and three in humans (S100A6, SLC11A1, and KCNK). Finally, we identified 17 transcription factors potentially acting as master regulators of AD. CONCLUSION Our cross-species analyses revealed that the three mouse models presented a remarkable similarity to LOAD, with the hAβ-KI being the more specific one.
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Affiliation(s)
- Marco Antônio De Bastiani
- Graduate Program in Biological Sciences: Biochemistry, Department of Biochemistry, Institute of Health Basic Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, State of Rio Grande do Sul 90035-003, Brazil
| | - Bruna Bellaver
- Department of Psychiatry, School of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Giovanna Carello-Collar
- Graduate Program in Biological Sciences: Biochemistry, Department of Biochemistry, Institute of Health Basic Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, State of Rio Grande do Sul 90035-003, Brazil
| | - Maria Zimmermann
- Department of Neurology and Neurosurgery, Montréal Neurological Institute, McGill University, Montréal, Québec H3A 1A1, Canada
- Translational Neuroimaging Laboratory, McGill University, Montréal, Québec H4H 1R3, Canada
| | - Peter Kunach
- Department of Neurology and Neurosurgery, Montréal Neurological Institute, McGill University, Montréal, Québec H3A 1A1, Canada
- Translational Neuroimaging Laboratory, McGill University, Montréal, Québec H4H 1R3, Canada
- Douglas Hospital Research Centre, Montreal, Québec H4H 1R3, Canada
| | - Ricardo A.S. Lima-Filho
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, State of Rio de Janeiro 21941-902, Brazil
| | - Stefania Forner
- Institute for Memory Impairments and Neurological Disorders (UCI MIND), University of California, Irvine, Irvine, CA 92697, USA
| | - Alessandra Cadete Martini
- Department of Pathology & Laboratory Medicine, University of California, Irvine, Irvine, CA 92697, USA
| | - Tharick A. Pascoal
- Department of Psychiatry, School of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
- Department of Neurology, School of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Mychael V. Lourenco
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, State of Rio de Janeiro 21941-902, Brazil
| | - Pedro Rosa-Neto
- Department of Neurology and Neurosurgery, Montréal Neurological Institute, McGill University, Montréal, Québec H3A 1A1, Canada
- Translational Neuroimaging Laboratory, McGill University, Montréal, Québec H4H 1R3, Canada
- Douglas Hospital Research Centre, Montreal, Québec H4H 1R3, Canada
| | - Eduardo R. Zimmer
- Graduate Program in Biological Sciences: Biochemistry, Department of Biochemistry, Institute of Health Basic Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, State of Rio Grande do Sul 90035-003, Brazil
- Department of Pharmacology, ICBS, UFRGS, Porto Alegre, State of Rio Grande do Sul 90035-003, Brazil
- Graduate Program in Biological Sciences: Pharmacology and Therapeutics, Department of Pharmacology, ICBS, UFRGS, Porto Alegre, State of Rio Grande do Sul 90035-003, Brazil
- Brain Institute of Rio Grande Do Sul, Pontifical Catholic University of Rio Grande Do Sul, Porto Alegre, State of Rio Grande do Sul 90610-000, Brazil
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16
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Kapil L, Kumar V, Kaur S, Sharma D, Singh C, Singh A. Role of Autophagy and Mitophagy in Neurodegenerative Disorders. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:367-383. [PMID: 36974405 DOI: 10.2174/1871527322666230327092855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 12/19/2022] [Accepted: 01/11/2023] [Indexed: 03/29/2023]
Abstract
Autophagy is a self-destructive cellular process that removes essential metabolites and waste from inside the cell to maintain cellular health. Mitophagy is the process by which autophagy causes disruption inside mitochondria and the total removal of damaged or stressed mitochondria, hence enhancing cellular health. The mitochondria are the powerhouses of the cell, performing essential functions such as ATP (adenosine triphosphate) generation, metabolism, Ca2+ buffering, and signal transduction. Many different mechanisms, including endosomal and autophagosomal transport, bring these substrates to lysosomes for processing. Autophagy and endocytic processes each have distinct compartments, and they interact dynamically with one another to complete digestion. Since mitophagy is essential for maintaining cellular health and using genetics, cell biology, and proteomics techniques, it is necessary to understand its beginning, particularly in ubiquitin and receptor-dependent signalling in injured mitochondria. Despite their similar symptoms and emerging genetic foundations, Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and amyotrophic lateral sclerosis (ALS) have all been linked to abnormalities in autophagy and endolysosomal pathways associated with neuronal dysfunction. Mitophagy is responsible for normal mitochondrial turnover and, under certain physiological or pathological situations, may drive the elimination of faulty mitochondria. Due to their high energy requirements and post-mitotic origin, neurons are especially susceptible to autophagic and mitochondrial malfunction. This article focused on the importance of autophagy and mitophagy in neurodegenerative illnesses and how they might be used to create novel therapeutic approaches for treating a wide range of neurological disorders.
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Affiliation(s)
- Lakshay Kapil
- Department of Pharmacology, ISF College of Pharmacy, Moga-142001, Punjab India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Vishal Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga-142001, Punjab India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Simranjit Kaur
- Department of Pharmacology, ISF College of Pharmacy, Moga-142001, Punjab India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Deepali Sharma
- Department of Pharmacology, ISF College of Pharmacy, Moga-142001, Punjab India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Charan Singh
- Department of Pharmaceutics (School of Pharmacy), H.N.B. Garhwal University, Srinagar - 246174, Garhwal (Uttarakhand), India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Arti Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga-142001, Punjab India
- Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab, India
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17
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Yang X, Zhang Y, Luo JX, Zhu T, Ran Z, Mu BR, Lu MH. Targeting mitophagy for neurological disorders treatment: advances in drugs and non-drug approaches. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3503-3528. [PMID: 37535076 DOI: 10.1007/s00210-023-02636-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 07/18/2023] [Indexed: 08/04/2023]
Abstract
Mitochondria serve as a vital energy source for nerve cells. The mitochondrial network also acts as a defense mechanism against external stressors that can threaten the stability of the nervous system. However, excessive accumulation of damaged mitochondria can lead to neuronal death. Mitophagy is an essential pathway in the mitochondrial quality control system and can protect neurons by selectively removing damaged mitochondria. In most neurological disorders, dysfunctional mitochondria are a common feature, and drugs that target mitophagy can improve symptoms. Here, we reviewed the role of mitophagy in Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, Huntington's disease, stroke, and traumatic brain injuries. We also summarized drug and non-drug approaches to promote mitophagy and described their therapeutic role in neurological disorders in order to provide valuable insight into the potential therapeutic agents available for neurological disease treatment. However, most studies on mitophagy regulation are based on preclinical research using cell and animal models, which may not accurately reflect the effects in humans. This poses a challenge to the clinical application of drugs targeting mitophagy. Additionally, these drugs may carry the risk of intolerable side effects and toxicity. Future research should focus on the development of safer and more targeted drugs for mitophagy.
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Affiliation(s)
- Xiong Yang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yu Zhang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jia-Xin Luo
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Tao Zhu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhao Ran
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Ben-Rong Mu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Mei-Hong Lu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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18
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Harrington JS, Ryter SW, Plataki M, Price DR, Choi AMK. Mitochondria in health, disease, and aging. Physiol Rev 2023; 103:2349-2422. [PMID: 37021870 PMCID: PMC10393386 DOI: 10.1152/physrev.00058.2021] [Citation(s) in RCA: 104] [Impact Index Per Article: 104.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/28/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
Mitochondria are well known as organelles responsible for the maintenance of cellular bioenergetics through the production of ATP. Although oxidative phosphorylation may be their most important function, mitochondria are also integral for the synthesis of metabolic precursors, calcium regulation, the production of reactive oxygen species, immune signaling, and apoptosis. Considering the breadth of their responsibilities, mitochondria are fundamental for cellular metabolism and homeostasis. Appreciating this significance, translational medicine has begun to investigate how mitochondrial dysfunction can represent a harbinger of disease. In this review, we provide a detailed overview of mitochondrial metabolism, cellular bioenergetics, mitochondrial dynamics, autophagy, mitochondrial damage-associated molecular patterns, mitochondria-mediated cell death pathways, and how mitochondrial dysfunction at any of these levels is associated with disease pathogenesis. Mitochondria-dependent pathways may thereby represent an attractive therapeutic target for ameliorating human disease.
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Affiliation(s)
- John S Harrington
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | | | - Maria Plataki
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | - David R Price
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York, United States
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19
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Rudajev V, Novotny J. Cholesterol-dependent amyloid β production: space for multifarious interactions between amyloid precursor protein, secretases, and cholesterol. Cell Biosci 2023; 13:171. [PMID: 37705117 PMCID: PMC10500844 DOI: 10.1186/s13578-023-01127-y] [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: 05/17/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023] Open
Abstract
Amyloid β is considered a key player in the development and progression of Alzheimer's disease (AD). Many studies investigating the effect of statins on lowering cholesterol suggest that there may be a link between cholesterol levels and AD pathology. Since cholesterol is one of the most abundant lipid molecules, especially in brain tissue, it affects most membrane-related processes, including the formation of the most dangerous form of amyloid β, Aβ42. The entire Aβ production system, which includes the amyloid precursor protein (APP), β-secretase, and the complex of γ-secretase, is highly dependent on membrane cholesterol content. Moreover, cholesterol can affect amyloidogenesis in many ways. Cholesterol influences the stability and activity of secretases, but also dictates their partitioning into specific cellular compartments and cholesterol-enriched lipid rafts, where the amyloidogenic machinery is predominantly localized. The most complicated relationships have been found in the interaction between cholesterol and APP, where cholesterol affects not only APP localization but also the precise character of APP dimerization and APP processing by γ-secretase, which is important for the production of Aβ of different lengths. In this review, we describe the intricate web of interdependence between cellular cholesterol levels, cholesterol membrane distribution, and cholesterol-dependent production of Aβ, the major player in AD.
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Affiliation(s)
- Vladimir Rudajev
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
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20
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Sousa T, Moreira PI, Cardoso S. Current Advances in Mitochondrial Targeted Interventions in Alzheimer's Disease. Biomedicines 2023; 11:2331. [PMID: 37760774 PMCID: PMC10525414 DOI: 10.3390/biomedicines11092331] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
Alzheimer's disease is the most prevalent neurodegenerative disorder and affects the lives not only of those who are diagnosed but also of their caregivers. Despite the enormous social, economic and political burden, AD remains a disease without an effective treatment and with several failed attempts to modify the disease course. The fact that AD clinical diagnosis is most often performed at a stage at which the underlying pathological events are in an advanced and conceivably irremediable state strongly hampers treatment attempts. This raises the awareness of the need to identify and characterize the early brain changes in AD, in order to identify possible novel therapeutic targets to circumvent AD's cascade of events. One of the most auspicious targets is mitochondria, powerful organelles found in nearly all cells of the body. A vast body of literature has shown that mitochondria from AD patients and model organisms of the disease differ from their non-AD counterparts. In view of this evidence, preserving and/or restoring mitochondria's health and function can represent the primary means to achieve advances to tackle AD. In this review, we will briefly assess and summarize the previous and latest evidence of mitochondria dysfunction in AD. A particular focus will be given to the recent updates and advances in the strategy options aimed to target faulty mitochondria in AD.
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Affiliation(s)
- Tiago Sousa
- Faculty of Medicine, University of Coimbra, 3000-370 Coimbra, Portugal;
| | - Paula I. Moreira
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal;
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504 Coimbra, Portugal
- Institute of Physiology, Faculty of Medicine, University of Coimbra, 3000-370 Coimbra, Portugal
| | - Susana Cardoso
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal;
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504 Coimbra, Portugal
- IIIUC—Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
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21
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Wang S, Long H, Hou L, Feng B, Ma Z, Wu Y, Zeng Y, Cai J, Zhang DW, Zhao G. The mitophagy pathway and its implications in human diseases. Signal Transduct Target Ther 2023; 8:304. [PMID: 37582956 PMCID: PMC10427715 DOI: 10.1038/s41392-023-01503-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 05/03/2023] [Accepted: 05/16/2023] [Indexed: 08/17/2023] Open
Abstract
Mitochondria are dynamic organelles with multiple functions. They participate in necrotic cell death and programmed apoptotic, and are crucial for cell metabolism and survival. Mitophagy serves as a cytoprotective mechanism to remove superfluous or dysfunctional mitochondria and maintain mitochondrial fine-tuning numbers to balance intracellular homeostasis. Growing evidences show that mitophagy, as an acute tissue stress response, plays an important role in maintaining the health of the mitochondrial network. Since the timely removal of abnormal mitochondria is essential for cell survival, cells have evolved a variety of mitophagy pathways to ensure that mitophagy can be activated in time under various environments. A better understanding of the mechanism of mitophagy in various diseases is crucial for the treatment of diseases and therapeutic target design. In this review, we summarize the molecular mechanisms of mitophagy-mediated mitochondrial elimination, how mitophagy maintains mitochondrial homeostasis at the system levels and organ, and what alterations in mitophagy are related to the development of diseases, including neurological, cardiovascular, pulmonary, hepatic, renal disease, etc., in recent advances. Finally, we summarize the potential clinical applications and outline the conditions for mitophagy regulators to enter clinical trials. Research advances in signaling transduction of mitophagy will have an important role in developing new therapeutic strategies for precision medicine.
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Affiliation(s)
- Shouliang Wang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Haijiao Long
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
- Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lianjie Hou
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Baorong Feng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Zihong Ma
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Ying Wu
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Yu Zeng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Jiahao Cai
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Da-Wei Zhang
- Group on the Molecular and Cell Biology of Lipids and Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
| | - Guojun Zhao
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China.
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22
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Zhou Y, Luo D, Shi J, Yang X, Xu W, Gao W, Guo Y, Zhao Q, Xie X, He Y, Du G, Pang X. Loganin alleviated cognitive impairment in 3×Tg-AD mice through promoting mitophagy mediated by optineurin. JOURNAL OF ETHNOPHARMACOLOGY 2023; 312:116455. [PMID: 37019163 DOI: 10.1016/j.jep.2023.116455] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/21/2023] [Accepted: 04/01/2023] [Indexed: 05/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Corni Fructus is a traditional Chinese herb and widely applied for treatment of age-related disorders in China. Iridoid glycoside was considered as the active ingredient of Corni Fructus. Loganin is one of the major iridoid glycosides and quality control components of Corni Fructus. Emerging evidence emphasized the beneficial effect of loganin on neurodegenerative disorders, such as Alzheimer's disease (AD). However, the detailed mechanism underlying the neuroprotective action of loganin remains to be unraveled. AIM OF THE STUDY To explore the improvement of loganin on cognitive impairment in 3 × Tg-AD mice and reveal the potential mechanism. MATERIALS AND METHODS Eight-month 3 × Tg-AD male mice were intraperitoneally injected with loganin (20 and 40 mg/kg) for consecutive 21 days. Behavioral tests were used to evaluated the cognition-enhancing effects of loganin, and Nissl staining and thioflavine S staining were performed to analyze neuronal survival and Aβ pathology. Western blot analysis, transmission electron microscopy and immunofluorescence were utilized to explore the molecular mechanism of loganin in AD mice involved mitochondrial dynamics and mitophagy. Aβ25-35-induced SH-SY5Y cells were applied to verify the potential mechanism in vitro. RESULTS Loganin significantly mitigated the learning and memory deficit and amyloid β-protein (Aβ) deposition, and recovered synaptic ultrastructure in 3 × Tg-AD mice. Perturbed mitochondrial dynamics characterized by excessive fission and insufficient fusion were restored after loganin treatment. Meanwhile, loganin reversed the increase of mitophagy markers (LC3II, p62, PINK1 and Parkin) and mitochondrial markers (TOM20 and COXIV) in hippocampus of AD mice, and enhanced the location of optineurin (OPTN, a well-known mitophagy receptor) to mitochondria. Accumulated PINK1, Parkin, p62 and LC3II were also revealed in Aβ25-35-induced SH-SY5Y cells, which were ameliorated by loganin. Increased OPTN in Aβ25-35-treated SH-SY5Y cells was further upregulated by loganin incubation, along with the reduction of mitochondrial ROSand elevation ofmitochondrial membrane potential (MMP). Conversely, OPTN silence neutralized the effect of loganin on mitophagy and mitochondrial function, which is consistent with the finding that loganin presented strong affinity with OPTN measured by molecular docking in silico. CONCLUSIONS Our observations confirmed that loganin enhanced cognitive function and alleviated AD pathology probably by promoting OPTN-mediated mitophagy,. Loganin might be a potential drug candidate for AD therapy via targeting mitophagy.
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Affiliation(s)
- Yunfeng Zhou
- School of Pharmacy, Henan University, Kaifeng, 475004, China; Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Dongmei Luo
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Junzhuo Shi
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Xiaojia Yang
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Wangjun Xu
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Weiping Gao
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Yukun Guo
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Qian Zhao
- School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Xinmei Xie
- School of Pharmacy, Henan University, Kaifeng, 475004, China; Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, 475004, China.
| | - Yangyang He
- School of Pharmacy, Henan University, Kaifeng, 475004, China; Institutes of Traditional Chinese Medicine, Henan University, Kaifeng, 475004, China.
| | - Guanhua Du
- School of Pharmacy, Henan University, Kaifeng, 475004, China; State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100050, China.
| | - Xiaobin Pang
- School of Pharmacy, Henan University, Kaifeng, 475004, China; Institutes of Traditional Chinese Medicine, Henan University, Kaifeng, 475004, China; Henan Province Engineering Research Center of High Value Utilization to Natural Medical Resource in Yellow River Basin, School of Pharmacy, Henan University, Kaifeng, 475004, China.
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23
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Stavropoulos D, Grewal MK, Petriti B, Chau KY, Hammond CJ, Garway-Heath DF, Lascaratos G. The Role of Mitophagy in Glaucomatous Neurodegeneration. Cells 2023; 12:1969. [PMID: 37566048 PMCID: PMC10417839 DOI: 10.3390/cells12151969] [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: 06/03/2023] [Revised: 07/15/2023] [Accepted: 07/19/2023] [Indexed: 08/12/2023] Open
Abstract
This review aims to provide a better understanding of the emerging role of mitophagy in glaucomatous neurodegeneration, which is the primary cause of irreversible blindness worldwide. Increasing evidence from genetic and other experimental studies suggests that mitophagy-related genes are implicated in the pathogenesis of glaucoma in various populations. The association between polymorphisms in these genes and increased risk of glaucoma is presented. Reduction in intraocular pressure (IOP) is currently the only modifiable risk factor for glaucoma, while clinical trials highlight the inadequacy of IOP-lowering therapeutic approaches to prevent sight loss in many glaucoma patients. Mitochondrial dysfunction is thought to increase the susceptibility of retinal ganglion cells (RGCs) to other risk factors and is implicated in glaucomatous degeneration. Mitophagy holds a vital role in mitochondrial quality control processes, and the current review explores the mitophagy-related pathways which may be linked to glaucoma and their therapeutic potential.
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Affiliation(s)
- Dimitrios Stavropoulos
- Department of Ophthalmology, King’s College Hospital, London SE5 9RS, UK;
- Department of Ophthalmology, 417 Veterans Army Hospital (NIMTS), 11521 Athens, Greece
| | - Manjot K. Grewal
- NIHR Biomedical Research Center, Moorfields Eye Hospital and UCL Institute of Ophthalmology, London EC1V 9EL, UK
- Division of Optometry and Visual Science, School of Health Sciences, City, University of London, London EC1V 0HB, UK
| | - Bledi Petriti
- NIHR Biomedical Research Center, Moorfields Eye Hospital and UCL Institute of Ophthalmology, London EC1V 9EL, UK
- Department of Clinical & Movement Neurosciences, UCL Queens Square Institute of Neurology, London NW3 2PF, UK
| | - Kai-Yin Chau
- Department of Clinical & Movement Neurosciences, UCL Queens Square Institute of Neurology, London NW3 2PF, UK
| | - Christopher J. Hammond
- Section of Ophthalmology, School of Life Course Sciences, King’s College London, London SE1 7EH, UK
- Department of Ophthalmology, St Thomas’ Hospital, London SE1 7EH, UK
| | - David F. Garway-Heath
- NIHR Biomedical Research Center, Moorfields Eye Hospital and UCL Institute of Ophthalmology, London EC1V 9EL, UK
| | - Gerassimos Lascaratos
- Department of Ophthalmology, King’s College Hospital, London SE5 9RS, UK;
- Section of Ophthalmology, School of Life Course Sciences, King’s College London, London SE1 7EH, UK
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24
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Hawrysh PJ, Gao J, Tan S, Oh A, Nodwell J, Tompkins TA, McQuibban GA. PRKN/parkin-mediated mitophagy is induced by the probiotics Saccharomyces boulardii and Lactococcus lactis. Autophagy 2023; 19:2094-2110. [PMID: 36708254 PMCID: PMC10283409 DOI: 10.1080/15548627.2023.2172873] [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: 05/24/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/29/2023] Open
Abstract
Mitochondrial impairment is a hallmark feature of neurodegenerative disorders, such as Parkinson disease, and PRKN/parkin-mediated mitophagy serves to remove unhealthy mitochondria from cells. Notably, probiotics are used to alleviate several symptoms of Parkinson disease including impaired locomotion and neurodegeneration in preclinical studies and constipation in clinical trials. There is some evidence to suggest that probiotics can modulate mitochondrial quality control pathways. In this study, we screened 49 probiotic strains and tested distinct stages of mitophagy to determine whether probiotic treatment could upregulate mitophagy in cells undergoing mitochondrial stress. We found two probiotics, Saccharomyces boulardii and Lactococcus lactis, that upregulated mitochondrial PRKN recruitment, phospho-ubiquitination, and MFN degradation in our cellular assays. Administration of these strains to Drosophila that were exposed to paraquat, a mitochondrial toxin, resulted in improved longevity and motor function. Further, we directly observed increased lysosomal degradation of dysfunctional mitochondria in the treated Drosophila brains. These effects were replicated in vitro and in vivo with supra-physiological concentrations of exogenous soluble factors that are released by probiotics in cultures grown under laboratory conditions. We identified methyl-isoquinoline-6-carboxylate as one candidate molecule, which upregulates mitochondrial PRKN recruitment, phospho-ubiquitination, MFN degradation, and lysosomal degradation of damaged mitochondria. Addition of methyl-isoquinoline-6-carboxylate to the fly food restored motor function to paraquat-treated Drosophila. These data suggest a novel mechanism that is facilitated by probiotics to stimulate mitophagy through a PRKN-dependent pathway, which could explain the potential therapeutic benefit of probiotic administration to patients with Parkinson disease.
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Affiliation(s)
| | - Jinghua Gao
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Stephanie Tan
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Amy Oh
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Justin Nodwell
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
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25
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Mu N, Zhang T, Zhu Y, Lu B, Zheng Q, Duan J. The mechanism by which miR-494-3p regulates PGC1-α-mediated inhibition of mitophagy in cardiomyocytes and alleviation of myocardial ischemia-reperfusion injury. BMC Cardiovasc Disord 2023; 23:204. [PMID: 37085803 PMCID: PMC10122381 DOI: 10.1186/s12872-023-03226-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 04/04/2023] [Indexed: 04/23/2023] Open
Abstract
OBJECTIVE The purpose of this study was to explore whether miR-494-3p inhibits the occurrence of mitochondrial autophagy in cardiomyocytes by inhibiting the expression of PGC1-α and to supplement the theoretical basis for the role of autophagy in cardiac injury induced by hypoxia/reperfusion (H/R). METHODS The expression of miR-494-3p was detected by RT‒qPCR, and the expression of PGC1-α, autophagy-related proteins (LC3, Beclin 1), apoptosis-related proteins (Bax and Bcl-2), PINK1/Parkin signaling pathway-related proteins (PINK1, Parkin) and mitochondrial change-related proteins (Mfn1, Mfn2, OPA1) was detected by Western blotting. The changes in mitochondrial membrane potential were detected by JC-1 staining (ΔΨm). The formation of autophagosomes was observed by transmission electron microscopy. Cell proliferation activity was detected by CCK-8, and cell apoptosis was detected by flow cytometry. A dual-luciferase gene reporter assay identified a targeted binding site between miR-494-3p and PGC1-α. RESULTS The results showed that miR-494-3p and PGC1-α were differentially expressed in H/R cardiomyocytes; that is, the expression of miR-494-3p was downregulated, and the expression of PGC1-α was upregulated. In addition, mitochondrial autophagy occurred in H/R cardiomyocytes. That is, LC3-II/LC3-I, Beclin 1, PINK1, and Parkin expression was upregulated, Mfn1, Mfn2, and OPA1 expression was downregulated, and the mitochondrial membrane potential was decreased. The transfection of miR-494-3p mimic can significantly improve the cell proliferation activity of cardiomyocytes and inhibit the occurrence of cardiomyocyte apoptosis and autophagy, while the transfection of miR-494-3p inhibitor has the opposite result. After transfection of the miR-494-3p mimic, treatment with autophagy inhibitors and activators changed the effects of miR-494-3p on cardiomyocyte proliferation and apoptosis. At the same time, the overexpression of PGC1-α reversed the promoting effect of miR-494-3p on cardiomyocyte proliferation and the inhibitory effect on apoptosis and autophagy. CONCLUSION MiR-494-3p can target and negatively regulate the expression of PGC1-α to inhibit mitophagy in cardiomyocytes.
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Affiliation(s)
- Ninghui Mu
- General Practice Department, The First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China
| | - Tong Zhang
- General Practice Department, The First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China
| | - Ying Zhu
- General Practice Department, The First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China
| | - Bingtuan Lu
- General Practice Department, The First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China
| | - Qi Zheng
- General Practice Department, The First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China
| | - Jinlan Duan
- Geriatric Medicine Department, The First People's Hospital of Yunnan Province, No. 157, Jinbi Road, Xishan District, Kunming, Yunnan, 650032, China.
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26
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Varte V, Munkelwitz JW, Rincon-Limas DE. Insights from Drosophila on Aβ- and tau-induced mitochondrial dysfunction: mechanisms and tools. Front Neurosci 2023; 17:1184080. [PMID: 37139514 PMCID: PMC10150963 DOI: 10.3389/fnins.2023.1184080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/31/2023] [Indexed: 05/05/2023] Open
Abstract
Alzheimer's disease (AD) is the most prevalent neurodegenerative dementia in older adults worldwide. Sadly, there are no disease-modifying therapies available for treatment due to the multifactorial complexity of the disease. AD is pathologically characterized by extracellular deposition of amyloid beta (Aβ) and intracellular neurofibrillary tangles composed of hyperphosphorylated tau. Increasing evidence suggest that Aβ also accumulates intracellularly, which may contribute to the pathological mitochondrial dysfunction observed in AD. According with the mitochondrial cascade hypothesis, mitochondrial dysfunction precedes clinical decline and thus targeting mitochondria may result in new therapeutic strategies. Unfortunately, the precise mechanisms connecting mitochondrial dysfunction with AD are largely unknown. In this review, we will discuss how the fruit fly Drosophila melanogaster is contributing to answer mechanistic questions in the field, from mitochondrial oxidative stress and calcium dysregulation to mitophagy and mitochondrial fusion and fission. In particular, we will highlight specific mitochondrial insults caused by Aβ and tau in transgenic flies and will also discuss a variety of genetic tools and sensors available to study mitochondrial biology in this flexible organism. Areas of opportunity and future directions will be also considered.
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Affiliation(s)
- Vanlalrinchhani Varte
- Department of Neurology, McKnight Brain Institute, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Jeremy W. Munkelwitz
- Department of Neurology, McKnight Brain Institute, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Diego E. Rincon-Limas
- Department of Neurology, McKnight Brain Institute, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
- Department of Neuroscience, University of Florida, Gainesville, FL, United States
- Genetics Institute, University of Florida, Gainesville, FL, United States
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27
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Farsi RM. The Role of Mitochondrial Dysfunction in Alzheimer's: Molecular Defects and Mitophagy-Enhancing Approaches. Life (Basel) 2023; 13:life13040970. [PMID: 37109499 PMCID: PMC10142261 DOI: 10.3390/life13040970] [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: 03/05/2023] [Revised: 04/01/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Alzheimer's disease (AD), a progressive and chronic neurodegenerative syndrome, is categorized by cognitive and memory damage caused by the aggregations of abnormal proteins, specifically including Tau proteins and β-amyloid in brain tissue. Moreover, mitochondrial dysfunctions are the principal causes of AD, which is associated with mitophagy impairment. Investigations exploring pharmacological therapies alongside AD have explicitly concentrated on molecules accomplished in preventing/abolishing the gatherings of the abovementioned proteins and mitochondria damages. Mitophagy is the removal of dead mitochondria by the autophagy process. Damages in mitophagy, the manner of diversified mitochondrial degeneracy by autophagy resulting in an ongoing aggregation of malfunctioning mitochondria, were also suggested to support AD. Recently, plentiful reports have suggested a link between defective mitophagy and AD. This treaty highlights updated outlines of modern innovations and developments on mitophagy machinery dysfunctions in AD brains. Moreover, therapeutic and nanotherapeutic strategies targeting mitochondrial dysfunction are also presented in this review. Based on the significant role of diminished mitophagy in AD, we suggest that the application of different therapeutic approaches aimed at stimulating mitophagy in AD would be beneficial for targeting or reducing the mitochondrial dysfunction induced by AD.
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Affiliation(s)
- Reem M Farsi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21462, Saudi Arabia
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28
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Banarase TA, Sammeta SS, Wankhede NL, Mangrulkar SV, Rahangdale SR, Aglawe MM, Taksande BG, Upaganlawar AB, Umekar MJ, Kale MB. Mitophagy regulation in aging and neurodegenerative disease. Biophys Rev 2023; 15:239-255. [PMID: 37124925 PMCID: PMC10133433 DOI: 10.1007/s12551-023-01057-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 03/24/2023] [Indexed: 04/07/2023] Open
Abstract
Mitochondria are the primary cellular energy generators, supplying the majority of adenosine triphosphate through oxidative phosphorylation, which is necessary for neuron function and survival. Mitophagy is the metabolic process of eliminating dysfunctional or redundant mitochondria. It is a type of autophagy and it is crucial for maintaining mitochondrial and neuronal health. Impaired mitophagy leads to an accumulation of damaged mitochondria and proteins leading to the dysregulation of mitochondrial quality control processes. Recent research shows the vital role of mitophagy in neurons and the pathogenesis of major neurodegenerative diseases. Mitophagy also plays a major role in the process of aging. This review describes the alterations that are being caused in the mitophagy process at the molecular level in aging and in neurodegenerative diseases, particularly Alzheimer's, Parkinson's, and Huntington's diseases and amyotrophic lateral sclerosis, also looks at how mitophagy can be exploited as a therapeutic target for these diseases.
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Affiliation(s)
- Trupti A. Banarase
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Shivkumar S. Sammeta
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Nitu L. Wankhede
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Shubhada V. Mangrulkar
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Sandip R. Rahangdale
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Manish M. Aglawe
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Brijesh G. Taksande
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Aman B. Upaganlawar
- SNJB’s Shriman Sureshdada Jain College of Pharmacy, Neminagar, Chandwad, Nashik, Maharashtra India 423101
| | - Milind J. Umekar
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
| | - Mayur B. Kale
- Division of Neuroscience, Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra India 441002
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Shafique A, Brughera M, Lualdi M, Alberio T. The Role of Rab Proteins in Mitophagy: Insights into Neurodegenerative Diseases. Int J Mol Sci 2023; 24:ijms24076268. [PMID: 37047239 PMCID: PMC10094445 DOI: 10.3390/ijms24076268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
Mitochondrial dysfunction and vesicular trafficking alterations have been implicated in the pathogenesis of several neurodegenerative diseases. It has become clear that pathogenetic pathways leading to neurodegeneration are often interconnected. Indeed, growing evidence suggests a concerted contribution of impaired mitophagy and vesicles formation in the dysregulation of neuronal homeostasis, contributing to neuronal cell death. Among the molecular factors involved in the trafficking of vesicles, Ras analog in brain (Rab) proteins seem to play a central role in mitochondrial quality checking and disposal through both canonical PINK1/Parkin-mediated mitophagy and novel alternative pathways. In turn, the lack of proper elimination of dysfunctional mitochondria has emerged as a possible causative/early event in some neurodegenerative diseases. Here, we provide an overview of major findings in recent years highlighting the role of Rab proteins in dysfunctional mitochondrial dynamics and mitophagy, which are characteristic of neurodegenerative diseases. A further effort should be made in the coming years to clarify the sequential order of events and the molecular factors involved in the different processes. A clear cause–effect view of the pathogenetic pathways may help in understanding the molecular basis of neurodegeneration.
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Mitophagy in Alzheimer's disease: Molecular defects and therapeutic approaches. Mol Psychiatry 2023; 28:202-216. [PMID: 35665766 PMCID: PMC9812780 DOI: 10.1038/s41380-022-01631-6] [Citation(s) in RCA: 53] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/08/2022] [Accepted: 05/12/2022] [Indexed: 01/09/2023]
Abstract
Mitochondrial dysfunctions are central players in Alzheimer's disease (AD). In addition, impairments in mitophagy, the process of selective mitochondrial degradation by autophagy leading to a gradual accumulation of defective mitochondria, have also been reported to occur in AD. We provide an updated overview of the recent discoveries and advancements on mitophagic molecular dysfunctions in AD-derived fluids and cells as well as in AD brains. We discuss studies using AD cellular and animal models that have unraveled the contribution of relevant AD-related proteins (Tau, Aβ, APP-derived fragments and APOE) in mitophagy failure. In accordance with the important role of impaired mitophagy in AD, we report on various therapeutic strategies aiming at stimulating mitophagy in AD and we summarize the benefits of these potential therapeutic strategies in human clinical trials.
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Heo J, Noble EE, Call JA. The role of exerkines on brain mitochondria: a mini-review. J Appl Physiol (1985) 2023; 134:28-35. [PMID: 36417200 PMCID: PMC9799148 DOI: 10.1152/japplphysiol.00565.2022] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022] Open
Abstract
Exercise benefits many organ systems, including having a panacea-like effect on the brain. For example, aerobic exercise improves cognition and attention and reduces the risk of brain-related diseases, such as dementia, stress, and depression. Recent advances suggest that endocrine signaling from peripheral systems, such as skeletal muscle, mediates the effects of exercise on the brain. Consequently, it has been proposed that factors secreted by all organs in response to physical exercise should be more broadly termed the "exerkines." Accumulating findings suggest that exerkines derived from skeletal muscle, liver, and adipose tissues directly impact brain mitochondrial function. Mitochondria play a pivotal role in regulating neuronal energy metabolism, neurotransmission, cell repair, and maintenance in the brain, and therefore exerkines may act via impacting brain mitochondria to improve brain function and disease resistance. Therefore, herein we review studies investigating the impact of muscle-, liver-, and adipose tissue-derived exerkines on brain cognitive and metabolic function via modulating mitochondrial bioenergetics, content, and dynamics under healthy and/or disease conditions.
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Affiliation(s)
- Junwon Heo
- Department of Physiology and Pharmacology, College of Veterinary Medicine, University of Georgia, Athens, Georgia
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia
| | - Emily E Noble
- Department of Nutritional Science, College of Family and Consumer Sciences, University of Georgia, Athens, Georgia
| | - Jarrod A Call
- Department of Physiology and Pharmacology, College of Veterinary Medicine, University of Georgia, Athens, Georgia
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia
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Han H, Hu S, Hu Y, Liu D, Zhou J, Liu X, Ma X, Dong Y. Mitophagy in ototoxicity. Front Cell Neurosci 2023; 17:1140916. [PMID: 36909283 PMCID: PMC9995710 DOI: 10.3389/fncel.2023.1140916] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/08/2023] [Indexed: 02/25/2023] Open
Abstract
Mitochondrial dysfunction is associated with ototoxicity, which is caused by external factors. Mitophagy plays a key role in maintaining mitochondrial homeostasis and function and is regulated by a series of key mitophagy regulatory proteins and signaling pathways. The results of ototoxicity models indicate the importance of this process in the etiology of ototoxicity. A number of recent investigations of the control of cell fate by mitophagy have enhanced our understanding of the mechanisms by which mitophagy regulates ototoxicity and other hearing-related diseases, providing opportunities for targeting mitochondria to treat ototoxicity.
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Affiliation(s)
- Hezhou Han
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Sainan Hu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yue Hu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Dongliang Liu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Junbo Zhou
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Xiaofang Liu
- Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiulan Ma
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yaodong Dong
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China
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Zhao N, Zhang X, Li B, Wang J, Zhang C, Xu B. Treadmill Exercise Improves PINK1/Parkin-Mediated Mitophagy Activity Against Alzheimer's Disease Pathologies by Upregulated SIRT1-FOXO1/3 Axis in APP/PS1 Mice. Mol Neurobiol 2023; 60:277-291. [PMID: 36261693 DOI: 10.1007/s12035-022-03035-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 09/13/2022] [Indexed: 12/30/2022]
Abstract
Although treadmill exercise is effective against Alzheimer's disease (AD), the molecular mechanisms underlying these effects are not fully understood. Recent literature has linked the accumulation of damaged mitochondria and defective mitophagy to AD progression. Here, we determined that abnormally activated PINK1/Parkin pathway-mediated mitophagy plays an important role in AD progression and pathogenesis in 6-month-old APP/PS1 mice. We used the lysosomal inhibitor chloroquine and demonstrated that a 12-week treadmill exercise program improved mitochondrial function, decreased accumulation of β-amyloid plaques, and ameliorated loss of learning and memory ability by enhancing PINK1/Parkin-mediated mitophagy activity in the hippocampus of APP/PS1 mice. Moreover, using the SIRT1 inhibitor EX527, we found that 12 weeks of treadmill exercise rescued PINK1/Parkin-mediated mitophagy by activating the SIRT1-FOXO1/3 axis in the hippocampus of APP/PS1 mice. These findings reveal that activating PINK1/Parkin-mediated mitophagy is a promising strategy for AD treatment, and that the SIRT1-FOXO1/3 axis is a potential candidate for the development of mitophagy enhancers.
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Affiliation(s)
- Na Zhao
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China.,College of Physical Education and Health, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Xianliang Zhang
- School of Physical Education, Shandong University, Jinan, China
| | - Baixia Li
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China.,College of Physical Education and Health, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Jing Wang
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China.,College of Physical Education and Health, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Chenfei Zhang
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China.,College of Physical Education and Health, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Bo Xu
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, 200241, China. .,College of Physical Education and Health, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
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Zhong F, Gan Y, Song J, Zhang W, Yuan S, Qin Z, Wu J, Lü Y, Yu W. The inhibition of PGAM5 suppresses seizures in a kainate-induced epilepsy model via mitophagy reduction. Front Mol Neurosci 2022; 15:1047801. [PMID: 36618822 PMCID: PMC9813404 DOI: 10.3389/fnmol.2022.1047801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Background Epilepsy is a common neurological disease, and excessive mitophagy is considered as one of the major triggers of epilepsy. Mitophagy is a crucial pathway affecting reactive oxygen species. Phosphoglycerate mutase 5 (PGAM5) is a protein phosphatase present in mitochondria that regulates many biological processes including mitophagy and cell death. However, the mechanism of PGAM5 in epilepsy remains unclear. The purpose of the present study was to examine whether PGAM5 affects epilepsy through PTEN-induced putative kinase 1 (PINK1)-mediated mitophagy. Methods After the knockdown of PGAM5 expression by the adeno-associated virus, an epilepsy model was created by kainic acid. Next, the seizure activity was recorded by local field potentials before evaluating the level of mitochondrial autophagy marker proteins. Lastly, the ultrastructure of mitochondria, neuronal damage and oxidative stress levels were further observed. Results A higher PGAM5 level was found in epilepsy, and its cellular localization was in neurons. The interactions between PGAM5 and PINK1 in epilepsy were further found. After the knockdown of PGAM5, the level of PINK1 and light chain 3B was decreased and the expression of the translocase of the inner mitochondrial membrane 23 and translocase of the outer mitochondrial membrane 20 were both increased. Knockdown of PGAM5 also resulted in reduced neuronal damage, decreased malondialdehyde levels, decreased reactive oxygen species production and increased superoxide dismutase activity. In addition, the duration of spontaneous seizure-like events (SLEs), the number of SLEs and the time spent in SLEs were all reduced in the epilepsy model after inhibition of PGAM5 expression. Conclusion Inhibition of PGAM5 expression reduces seizures via inhibiting PINK1-mediated mitophagy.
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Affiliation(s)
- Fuxin Zhong
- Department of Human Anatomy, Institute of Neuroscience, Chongqing Medical University, Chongqing, China
| | - Yunhao Gan
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Jiaqi Song
- Department of Human Anatomy, Institute of Neuroscience, Chongqing Medical University, Chongqing, China
| | - Wenbo Zhang
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shiyun Yuan
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhangjin Qin
- Department of Human Anatomy, Institute of Neuroscience, Chongqing Medical University, Chongqing, China
| | - Jiani Wu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yang Lü
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Weihua Yu
- Department of Human Anatomy, Institute of Neuroscience, Chongqing Medical University, Chongqing, China,*Correspondence: Weihua Yu,
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Sun T, Han Y, Li JL, Jiao XY, Zuo L, Wang J, Wang HX, Yang JL, Cao JM, Wang JX. FOXO3a-dependent PARKIN negatively regulates cardiac hypertrophy by restoring mitophagy. Cell Biosci 2022; 12:204. [PMID: 36539848 PMCID: PMC9764573 DOI: 10.1186/s13578-022-00935-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 12/04/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Sustained cardiac hypertrophy often develops maladaptive myocardial remodeling, and eventually progresses to heart failure and sudden death. Therefore, maladaptive hypertrophy is considered as a critical therapeutic target for many heart diseases. Mitophagy, a crucial mechanism in mitochondria quality control and cellular homeostasis, has been implicated in diverse cardiac disorders such as myocardial infarction, diabetic cardiomyopathy, cardiac hypertrophy and heart failure. However, what role mitophagy plays in heart diseases remains an enigma. PARKIN functions as an E3 ubiquitin protein ligase and mediates mitophagy cascades. It is still unclear whether PARKIN participates in the regulation of cardiac hypertrophy. RESULTS PARKIN was downregulated in cardiomyocytes and hearts under hypertrophic stress. Enforced expression of PARKIN inhibited Ang II-induced cardiomyocyte hypertrophy. Compared to wide-type mice with Ang II-induced cardiac hypertrophy, Parkin transgenic mice subjected to Ang II administration showed attenuated cardiac hypertrophy and improved cardiac function. In addition, mitophagy machinery was impaired in response to Ang II, which was rescued by overexpression of PARKIN. PARKIN exerted the anti-hypertrophy effect through restoring mitophagy. In further exploring the underlying mechanisms, we found that PARKIN was transcriptionally activated by FOXO3a. FOXO3a promoted mitophagy and suppressed cardiac hypertrophy by targeting Parkin. CONCLUSIONS The present study reveals a novel cardiac hypertrophy regulating model composed of FOXO3a, PARKIN and mitophagy program. Modulation of their levels may provide a new approach for preventing cardiac hypertrophy and heart failure.
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Affiliation(s)
- Teng Sun
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Yu Han
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Jia-Lei Li
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Xiang-Ying Jiao
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Lin Zuo
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Jin Wang
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Hai-Xiong Wang
- grid.477944.d0000 0005 0231 8693Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, Shanxi China
| | - Jun-Li Yang
- grid.263452.40000 0004 1798 4018Computer teaching department, Shanxi Medical University, Taiyuan, China
| | - Ji-Min Cao
- grid.263452.40000 0004 1798 4018Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Jian-Xun Wang
- grid.410645.20000 0001 0455 0905School of Basic Medical Sciences, Qingdao University, Qingdao, China
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Braun MM, Puglielli L. Defective PTEN-induced kinase 1/Parkin mediated mitophagy and neurodegenerative diseases. Front Cell Neurosci 2022; 16:1031153. [PMID: 36339819 PMCID: PMC9630469 DOI: 10.3389/fncel.2022.1031153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/04/2022] [Indexed: 10/07/2023] Open
Abstract
The selective degradation of mitochondria through mitophagy is a crucial process for maintaining mitochondrial function and cellular health. Mitophagy is a specialized form of selective autophagy that uses unique machinery to recognize and target damaged mitochondria for mitophagosome- and lysosome-dependent degradation. This process is particularly important in cells with high metabolic activity like neurons, and the accumulation of defective mitochondria is a common feature among neurodegenerative disorders. Here, we describe essential steps involved in the induction and progression of mitophagy, and then highlight the various mechanisms that specifically contribute to defective mitophagy in highly prevalent neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, Huntington's disease, and Amyotrophic Lateral Sclerosis.
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Affiliation(s)
- Megan M. Braun
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Waisman Center, University of Wisconsin-Madison, Madison, WI, United States
- Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Luigi Puglielli
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Waisman Center, University of Wisconsin-Madison, Madison, WI, United States
- Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI, United States
- Department of Neuroscience, University of Wisconsin-Madison, Madison, WI, United States
- Geriatric Research Education Clinical Center, Veterans Affairs Medical Center, Madison, WI, United States
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The compartmentalised nature of neuronal mitophagy: molecular insights and implications. Expert Rev Mol Med 2022; 24:e38. [PMID: 36172898 PMCID: PMC9884780 DOI: 10.1017/erm.2022.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The maintenance of a healthy mitochondrial network and the ability to adjust organelle population in response to internal or external stimuli are essential for the function and the survival of eukaryotic cells. Over the last two decades several studies have demonstrated the paramount importance of mitophagy, a selective form of autophagy that removes damaged and/or superfluous organelles, in organismal physiology. Post-mitotic neuronal cells are particularly vulnerable to mitochondrial damage, and mitophagy impairment has emerged as a causative factor in multiple neurodegenerative pathologies, including Alzheimer's disease and Parkinson's disease among others. Although mitochondrial turnover is a multifaceted process, neurons have to tackle additional complications, arising from their pronounced bioenergetic demands and their unique architecture and cellular polarisation that render the degradation of distal organelles challenging. Mounting evidence indicates that despite the functional conservation of mitophagy pathways, the unique features of neuronal physiology have led to the adaptation of compartmentalised solutions, which serve to ensure seamless mitochondrial removal in every part of the cell. In this review, we summarise the current knowledge concerning the molecular mechanisms that mediate mitophagy compartmentalisation and discuss their implications in various human pathologies.
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The RING finger protein family in health and disease. Signal Transduct Target Ther 2022; 7:300. [PMID: 36042206 PMCID: PMC9424811 DOI: 10.1038/s41392-022-01152-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/31/2022] [Accepted: 08/09/2022] [Indexed: 02/05/2023] Open
Abstract
Ubiquitination is a highly conserved and fundamental posttranslational modification (PTM) in all eukaryotes regulating thousands of proteins. The RING (really interesting new gene) finger (RNF) protein, containing the RING domain, exerts E3 ubiquitin ligase that mediates the covalent attachment of ubiquitin (Ub) to target proteins. Multiple reviews have summarized the critical roles of the tripartite-motif (TRIM) protein family, a subgroup of RNF proteins, in various diseases, including cancer, inflammatory, infectious, and neuropsychiatric disorders. Except for TRIMs, since numerous studies over the past decades have delineated that other RNF proteins also exert widespread involvement in several diseases, their importance should not be underestimated. This review summarizes the potential contribution of dysregulated RNF proteins, except for TRIMs, to the pathogenesis of some diseases, including cancer, autoimmune diseases, and neurodegenerative disorder. Since viral infection is broadly involved in the induction and development of those diseases, this manuscript also highlights the regulatory roles of RNF proteins, excluding TRIMs, in the antiviral immune responses. In addition, we further discuss the potential intervention strategies targeting other RNF proteins for the prevention and therapeutics of those human diseases.
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Zhang XL, Lei Y, Xiao YB, Cao XY, Tian XY, Zhu YX, Zhang X, Xie MX. Hen Egg Lysozyme Alleviates Static Mechanical Pain Via NRF1-Parkin-TACAN Signaling Axis in Sensory Neurons. Neuroscience 2022; 502:52-67. [PMID: 35985504 DOI: 10.1016/j.neuroscience.2022.08.010] [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: 06/05/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 11/18/2022]
Abstract
Mechanical allodynia impinges on the life quality of patients. Hen Egg Lysozyme (HEL) is a substance extracted from eggs that is commonly used to inhibit bacterial activity. The role of HEL in regulating and treating pain is unclear. Here, we find that HEL selectively attenuates static mechanical allodynia of mice induced by complete Freund's adjuvant (CFA), spinal nerve ligation (SNL) and chemotherapeutic agent. RNA-seq screening reveals that CFA significantly reduces the expression of Parkin in dorsal root ganglion (DRG) neurons of mice, while pre-administration of HEL increases the expression of Parkin and remits the static mechanical allodynia induced by Parkin-siRNA. Moreover, HEL increases the interaction between nuclear respiratory factor 1 (NRF1) and histone acetyltransferase P300 and then enhances the NRF1 mediated histone acetylation in prkn promoter region in DRGs of mice. Further, Parkin interacts with mechanotransducing ion channel TACAN (Tmem120a) and knockdown of Parkin significantly increases the membrane trafficking of TACAN in sensory neurons of mice. While pre-administration of HEL inhibits the increased membrane trafficking of TACAN in sensory neurons of mice induced by Parkin-siRNA. In addition, pre-given of HEL also significantly attenuates the static mechanical allodynia induced by overexpression of TACAN in mice, and the effect of HEL can be blocked by Parkin-siRNA. This indicates that HEL increases the expression of Parkin through epigenetic mechanisms and then decreases TACAN membrane trafficking in sensory neurons to relieve static mechanical hypersensitivity. Therefore, we reveal a novel function of HEL, which is a potential substance for the treatment of static mechanical pain.
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Affiliation(s)
- Xiao-Long Zhang
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou 510080, China
| | - Yi Lei
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou 510080, China
| | - Yi-Bin Xiao
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou 510080, China
| | - Xian-Ying Cao
- Engineering Technology Research Center for Elderly Health Management in Hainan Province, 18 Qiongshan Avenue, Haikou 571126, China
| | - Xiao-Yu Tian
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China; College of Food Science and Engineering, Hainan University, 58 Renmin Avenue, Haikou 570228, China
| | - Yuan-Xin Zhu
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China; College of Food Science and Engineering, Hainan University, 58 Renmin Avenue, Haikou 570228, China
| | - Xi Zhang
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou 510080, China
| | - Man-Xiu Xie
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China.
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Sharma B, Pal D, Sharma U, Kumar A. Mitophagy: An Emergence of New Player in Alzheimer’s Disease. Front Mol Neurosci 2022; 15:921908. [PMID: 35875669 PMCID: PMC9296849 DOI: 10.3389/fnmol.2022.921908] [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: 04/16/2022] [Accepted: 06/06/2022] [Indexed: 11/21/2022] Open
Abstract
Mitochondria provide neurons not only energy as ATP to keep them growing, proliferating and developing, but they also control apoptosis. Due to their high bioenergetic demand, neurons which are highly specific terminally differentiated cells, essentially depend on mitochondria. Defective mitochondrial function is thus related to numerous age-linked neurodegenerative ailments like Alzheimer’s disease (AD), in which the build-up of impaired and malfunctioning mitochondria has been identified as a primary sign, paying to disease development. Mitophagy, selective autophagy, is a key mitochondrial quality control system that helps neurons to stay healthy and functional by removing undesired and damaged mitochondria. Dysfunctional mitochondria and dysregulated mitophagy have been closely associated with the onset of ADs. Various proteins associated with mitophagy were found to be altered in AD. Therapeutic strategies focusing on the restoration of mitophagy capabilities could be utilized to strike the development of AD pathogenesis. We summarize the mechanism and role of mitophagy in the onset and advancement of AD, in the quality control mechanism of mitochondria, the consequences of dysfunctional mitophagy in AD, and potential therapeutic approaches involving mitophagy modulation in AD. To develop new therapeutic methods, a better knowledge of the function of mitophagy in the pathophysiology of AD is required.
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Affiliation(s)
- Bunty Sharma
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana, Haryana, India
| | - Deeksha Pal
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ujjawal Sharma
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana, Haryana, India
- *Correspondence: Ujjawal Sharma,
| | - Aman Kumar
- Department of Ophthalmology and Visual Sciences, Ohio State University, Columbus, OH, United States
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41
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Zhao Y, Wang Y, Yang D, Suh K, Zhang M. A Computational Framework to Characterize the Cancer Drug Induced Effect on Aging Using Transcriptomic Data. Front Pharmacol 2022; 13:906429. [PMID: 35847024 PMCID: PMC9277350 DOI: 10.3389/fphar.2022.906429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/06/2022] [Indexed: 11/23/2022] Open
Abstract
Cancer treatments such as chemotherapies may change or accelerate aging trajectories in cancer patients. Emerging evidence has shown that “omics” data can be used to study molecular changes of the aging process. Here, we integrated the drug-induced and normal aging transcriptomic data to computationally characterize the potential cancer drug-induced aging process in patients. Our analyses demonstrated that the aging-associated gene expression in the GTEx dataset can recapitulate the well-established aging hallmarks. We next characterized the drug-induced transcriptomic changes of 28 FDA approved cancer drugs in brain, kidney, muscle, and adipose tissues. Further drug-aging interaction analysis identified 34 potential drug regulated aging events. Those events include aging accelerating effects of vandetanib (Caprelsa®) and dasatinib (Sprycel®) in brain and muscle, respectively. Our result also demonstrated aging protective effect of vorinostat (Zolinza®), everolimus (Afinitor®), and bosutinib (Bosulif®) in brain.
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Affiliation(s)
- Yueshan Zhao
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, United States
| | - Yue Wang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, United States
| | - Da Yang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, United States
- UPMC Hillman Cancer Institute, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Kangho Suh
- Department of Pharmacy and Therapeutics, University of Pittsburgh, Pittsburgh, PA, United States
| | - Min Zhang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, United States
- *Correspondence: Min Zhang,
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Leduc-Gaudet JP, Hussain SN, Gouspillou G. Parkin: A potential target to promote healthy aging. J Physiol 2022; 600:3405-3421. [PMID: 35691026 DOI: 10.1113/jp282567] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/08/2022] [Indexed: 11/08/2022] Open
Abstract
Parkin is an E3 ubiquitin ligase mostly known for its role in regulating the removal of defective mitochondria via mitophagy. However, increasing experimental evidence that Parkin regulates several other aspects of mitochondrial biology in addition to its role in mitophagy has emerged over the past two decades. Indeed, Parkin has been shown to regulate mitochondrial biogenesis and dynamics and mitochondrial-derived vesicle formation, suggesting that Parkin plays key roles in maintaining healthy mitochondria. While Parkin is commonly described as a cytosolic E3 ubiquitin ligase, Parkin was also detected in other cellular compartments, including the nucleus, where it regulates transcription factors and acts as a transcription factor itself. New evidence also suggests that Parkin overexpression can be leveraged to delay aging. In D. melanogaster, for example, Parkin overexpression extends lifespan. In mammals, Parkin overexpression delays hallmarks of aging in several tissues and cell types. Parkin overexpression also confers protection in various models of cellular senescence and neurological disorders closely associated with aging, such as Alzheimer's and Parkinson's diseases. Recently, Parkin overexpression has also been shown to suppress tumor growth. In this review, we discuss newly emerging biological roles of Parkin as a modulator of cellular homeostasis, survival, and healthy aging, and we explore potential mechanisms through which Parkin exerts its beneficial effects on cellular health. Abstract figure legend Parkin: A potential target to promote healthy aging Illustration of key aspects of Parkin biology, including Parkin function and cellular localization and key roles in the regulation of mitochondrial quality control. The organs and systems in which Parkin overexpression was shown to exert protective effects relevant to the promotion of healthy aging are highlighted in the black rectangle at the bottom of the Figure. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jean-Philippe Leduc-Gaudet
- Department of Biomedical Sciences, Veneto Institute of Molecular Medicine, University of Padova, Padova, Italy.,Meakins-Christie Laboratories, Department of Medicine, McGill University, Montréal, QC, Canada.,Translational Research in Respiratory Diseases Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada.,Département des sciences de l'activité physique, Faculté des sciences, Université du Québec à Montréal (UQAM), Montréal, QC, Canada
| | - Sabah Na Hussain
- Meakins-Christie Laboratories, Department of Medicine, McGill University, Montréal, QC, Canada.,Translational Research in Respiratory Diseases Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
| | - Gilles Gouspillou
- Meakins-Christie Laboratories, Department of Medicine, McGill University, Montréal, QC, Canada.,Département des sciences de l'activité physique, Faculté des sciences, Université du Québec à Montréal (UQAM), Montréal, QC, Canada
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Li J, Li M, Ge Y, Chen J, Ma J, Wang C, Sun M, Wang L, Yao S, Yao C. β-amyloid protein induces mitophagy-dependent ferroptosis through the CD36/PINK/PARKIN pathway leading to blood-brain barrier destruction in Alzheimer's disease. Cell Biosci 2022; 12:69. [PMID: 35619150 PMCID: PMC9134700 DOI: 10.1186/s13578-022-00807-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 05/01/2022] [Indexed: 01/01/2023] Open
Abstract
Introduction Blood–brain barrier (BBB) dysfunction may occur at the onset of Alzheimer’s disease (AD). Pericytes are a vital part of the neurovascular unit and the BBB, acting as gatekeepers of the BBB. Amyloid β (Aβ) deposition and neurofibrillary tangles in the brain are the central pathological features of AD. CD36 promotes vascular amyloid deposition and leads to vascular brain damage, neurovascular dysfunction, and cognitive deficits. However, the molecular mechanism by which pericytes of the BBB are disrupted remains unclear. Objectives To investigate the effect of low-dose Aβ1-40 administration on pericyte outcome and the molecular mechanism of BBB injury. Methods We selected 6-month-old and 9-month-old APP/PS1 mice and wild-type (WT) mice of the same strain, age, and sex as controls. We assessed the BBB using PET/CT. Brain pericytes were extracted and cocultured with endothelial cells (bEnd.3) to generate an in vitro BBB model to observe the effect of Aβ1-40 on the BBB. Furthermore, we explored the intracellular degradation and related molecular mechanisms of Aβ1-40 in cells. Results BBB permeability and the number of pericytes decreased in APP/PS1 mice. Aβ1-40 increased BBB permeability in an in vivo model and downregulated the expression of CD36, which reversed the Aβ-induced changes in BBB permeability. Aβ1-40 was uptaked in pericytes with high CD36 expression. We observed that this molecule inhibited pericyte proliferation, caused mitochondrial damage, and increased mitophagy. Finally, we confirmed that Aβ1-40 induced pericyte mitophagy-dependent ferroptosis through the CD36/PINK1/Parkin pathway. Conclusion PDGFRβ (a marker of pericytes), CD36, and Aβ colocalized in vitro and in vivo, and Aβ1-40 caused BBB disruption by upregulating CD36 expression in pericytes. The mechanism by which Aβ1-40 destroys the BBB involves the induction of pericyte mitophagy-dependent ferroptosis through the CD36/PINK1/Parkin pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00807-5.
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Affiliation(s)
- Jianhua Li
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Department of Critical Care Medicine, The First Affiliated Hospital, College of Medicine, Shihezi University, Shihezi, 832000, China
| | - Mengyu Li
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yangyang Ge
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jiayi Chen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jiamin Ma
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chenchen Wang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Miaomiao Sun
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Li Wang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shanglong Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chengye Yao
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Chen H, Chen F, Jiang Y, Zhang L, Hu G, Sun F, Zhang M, Ji Y, Chen Y, Che G, Zhou X, Zhang Y. A Review of ApoE4 Interference Targeting Mitophagy Molecular Pathways for Alzheimer's Disease. Front Aging Neurosci 2022; 14:881239. [PMID: 35669462 PMCID: PMC9166238 DOI: 10.3389/fnagi.2022.881239] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/07/2022] [Indexed: 02/05/2023] Open
Abstract
Alzheimer's disease (AD) is one of the major worldwide causes of dementia that is characterized by irreversible decline in learning, memory loss, and behavioral impairments. Mitophagy is selective autophagy through the clearance of aberrant mitochondria, specifically for degradation to maintain energy generation and neuronal and synaptic function in the brain. Accumulating evidence shows that defective mitophagy is believed to be as one of the early and prominent features in AD pathogenesis and has drawn attention in the recent few years. APOE ε4 allele is the greatest genetic determinant for AD and is widely reported to mediate detrimental effects on mitochondria function and mitophagic process. Given the continuity of the physiological process, this review takes the mitochondrial dynamic and mitophagic core events into consideration, which highlights the current knowledge about the molecular alterations from an APOE-genotype perspective, synthesizes ApoE4-associated regulations, and the cross-talk between these signaling, along with the focuses on general autophagic process and several pivotal processes of mitophagy, including mitochondrial dynamic (DRP1, MFN-1), mitophagic induction (PINK1, Parkin). These may shed new light on the link between ApoE4 and AD and provide novel insights for promising mitophagy-targeted therapeutic strategies for AD.
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Affiliation(s)
- Huiyi Chen
- Department of Children Rehabilitation, Yuebei People's Hospital, Affiliated Hospital of Shantou University Medical College, Shaoguan, China
| | - Feng Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Ying Jiang
- Department of Children Rehabilitation, Yuebei People's Hospital, Affiliated Hospital of Shantou University Medical College, Shaoguan, China
| | - Lu Zhang
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Guizhen Hu
- Department of Children Rehabilitation, Yuebei People's Hospital, Affiliated Hospital of Shantou University Medical College, Shaoguan, China
| | - Furong Sun
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Miaoping Zhang
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yao Ji
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yanting Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Gang Che
- Department of Children Rehabilitation, Yuebei People's Hospital, Affiliated Hospital of Shantou University Medical College, Shaoguan, China
- Department of Surgical Oncology, The First Affiliated Hospital, Zhejian University School of Medicine, Hangzhou, China
| | - Xu Zhou
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yu Zhang
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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45
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Checler F, Alves da Costa C. Parkin as a Molecular Bridge Linking Alzheimer’s and Parkinson’s Diseases? Biomolecules 2022; 12:biom12040559. [PMID: 35454148 PMCID: PMC9026546 DOI: 10.3390/biom12040559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 02/01/2023] Open
Abstract
Alzheimer’s (AD) and Parkinson’s (PD) diseases are two distinct age-related pathologies that are characterized by various common dysfunctions. They are referred to as proteinopathies characterized by ubiquitinated protein accumulation and aggregation. This accumulation is mainly due to altered lysosomal and proteasomal clearing processes and is generally accompanied by ER stress disturbance, autophagic and mitophagic defects, mitochondrial structure and function alterations and enhanced neuronal cell death. Genetic approaches aimed at identifying molecular triggers responsible for familial forms of AD or PD have helped to understand the etiology of their sporadic counterparts. It appears that several proteins thought to contribute to one of these pathologies are also likely to contribute to the other. One such protein is parkin (PK). Here, we will briefly describe anatomical lesions and genetic advances linked to AD and PD as well as the main cellular processes commonly affected in these pathologies. Further, we will focus on current studies suggesting that PK could well participate in AD and thereby act as a molecular bridge between these two pathologies. In particular, we will focus on the transcription factor function of PK and its newly described transcriptional targets that are directly related to AD- and PD-linked cellular defects.
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46
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Lei Y, Xie MX, Cao XY, Zhang X, Xiao YB, Tian XY, Zhu YX, Zhang XL. Parkin Inhibits Static Mechanical Pain by Suppressing Membrane Trafficking of Mechano-transducing Ion Channel TACAN. Neurosci Bull 2022; 38:429-434. [PMID: 35353345 PMCID: PMC9068839 DOI: 10.1007/s12264-022-00843-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 01/06/2022] [Indexed: 10/18/2022] Open
Affiliation(s)
- Yi Lei
- College of Food Science and Engineering, Hainan University, Haikou, 570228, China
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Man-Xiu Xie
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Xian-Ying Cao
- Hainan Senile Health Management Engineering Technology Research Center, Haikou, 571126, China
| | - Xi Zhang
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Yi-Bin Xiao
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Xiao-Yu Tian
- College of Food Science and Engineering, Hainan University, Haikou, 570228, China
| | - Yuan-Xin Zhu
- College of Food Science and Engineering, Hainan University, Haikou, 570228, China
| | - Xiao-Long Zhang
- Medical Research Center of Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.
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47
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Guan X, Iyaswamy A, Sreenivasmurthy SG, Su C, Zhu Z, Liu J, Kan Y, Cheung KH, Lu J, Tan J, Li M. Mechanistic Insights into Selective Autophagy Subtypes in Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms23073609. [PMID: 35408965 PMCID: PMC8998506 DOI: 10.3390/ijms23073609] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 02/01/2023] Open
Abstract
Eukaryotic cells possess a plethora of regulatory mechanisms to maintain homeostasis and ensure proper biochemical functionality. Autophagy, a central, conserved self-consuming process of the cell, ensures the timely degradation of damaged cellular components. Several studies have demonstrated the important roles of autophagy activation in mitigating neurodegenerative diseases, especially Alzheimer's disease (AD). However, surprisingly, activation of macroautophagy has not shown clinical efficacy. Hence, alternative strategies are urgently needed for AD therapy. In recent years, selective autophagy has been reported to be involved in AD pathology, and different subtypes have been identified, such as aggrephagy, mitophagy, reticulophagy, lipophagy, pexophagy, nucleophagy, lysophagy and ribophagy. By clarifying the underlying mechanisms governing these various subtypes, we may come to understand how to control autophagy to treat AD. In this review, we summarize the latest findings concerning the role of selective autophagy in the pathogenesis of AD. The evidence overwhelmingly suggests that selective autophagy is an active mechanism in AD pathology, and that regulating selective autophagy would be an effective strategy for controlling this pathogenesis.
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Affiliation(s)
- Xinjie Guan
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Ashok Iyaswamy
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Sravan Gopalkrishnashetty Sreenivasmurthy
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Chengfu Su
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Zhou Zhu
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Jia Liu
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Yuxuan Kan
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
| | - King-Ho Cheung
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Jiahong Lu
- State Key Lab of Quality Research in Chinese Medicine, University of Macau, Macao, China;
| | - Jieqiong Tan
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410000, China
- Correspondence: (J.T.); (M.L.)
| | - Min Li
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
- Correspondence: (J.T.); (M.L.)
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Wang XJ, Xue YQ, Zhang HL, Yu Y, Liu P. PINK1 Deficiency Aggravates the β-amyloid-attenuated Mitophagy-lysosomal Degradation in PC12 Cells. JOURNAL OF EXPLORATORY RESEARCH IN PHARMACOLOGY 2022; 7:30-36. [DOI: 10.14218/jerp.2021.00053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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CNS Redox Homeostasis and Dysfunction in Neurodegenerative Diseases. Antioxidants (Basel) 2022; 11:antiox11020405. [PMID: 35204286 PMCID: PMC8869494 DOI: 10.3390/antiox11020405] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/11/2022] Open
Abstract
A single paragraph of about 200 words maximum. Neurodegenerative diseases (ND), such as Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis, pose a global challenge in the aging population due to the lack of treatments for their cure. Despite various disease-specific clinical symptoms, ND have some fundamental common pathological mechanisms involving oxidative stress and neuroinflammation. The present review focuses on the major causes of central nervous system (CNS) redox homeostasis imbalance comprising mitochondrial dysfunction and endoplasmic reticulum (ER) stress. Mitochondrial disturbances, leading to reduced mitochondrial function and elevated reactive oxygen species (ROS) production, are thought to be a major contributor to the pathogenesis of ND. ER dysfunction has been implicated in ND in which protein misfolding evidently causes ER stress. The consequences of ER stress ranges from an increase in ROS production to altered calcium efflux and proinflammatory signaling in glial cells. Both pathological pathways have links to ferroptotic cell death, which has been implicated to play an important role in ND. Pharmacological targeting of these pathological pathways may help alleviate or slow down neurodegeneration.
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50
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Amyloid beta oligomers-induced parkin aggravates ER stress-mediated cell death through a positive feedback loop. Neurochem Int 2022; 155:105312. [DOI: 10.1016/j.neuint.2022.105312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 02/08/2022] [Accepted: 02/20/2022] [Indexed: 11/24/2022]
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