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Zhao G, Zhang T, Li J, Li L, Chen P, Zhang C, Li K, Cui C. Parkin-mediated mitophagy is a potential treatment for oxaliplatin-induced peripheral neuropathy. Am J Physiol Cell Physiol 2024; 326:C214-C228. [PMID: 38073486 DOI: 10.1152/ajpcell.00276.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 10/17/2023] [Accepted: 10/29/2023] [Indexed: 01/06/2024]
Abstract
Oxaliplatin-induced peripheral nerve pain (OIPNP) is a common chemotherapy-related complication, but the mechanism is complex. Mitochondria are vital for cellular homeostasis and regulating oxidative stress. Parkin-mediated mitophagy is a cellular process that removes damaged mitochondria, exhibiting a protective effect in various diseases; however, its role in OIPNP remains unclear. In this study, we found that Parkin-mediated mitophagy was decreased, and reactive oxygen species (ROS) was upregulated in OIPNP rat dorsal root ganglion (DRG) in vivo and in PC12 cells stimulated with oxaliplatin (OXA) in vitro. Overexpression of Parkin indicated that OXA might cause mitochondrial and cell damage by inhibiting mitophagy. We also showed that salidroside (SAL) upregulated Parkin-mediated mitophagy to eliminate damaged mitochondria and promote PC12 cell survival. Knockdown of Parkin indicated that mitophagy is crucial for apoptosis and mitochondrial homeostasis in PC12 cells. In vivo study also demonstrated that SAL enhances Parkin-mediated mitophagy in the DRG and alleviates peripheral nerve injury and pain. These results suggest that Parkin-mediated mitophagy is involved in the pathogenesis of OIPNP and may be a potential therapeutic target for OIPNP.NEW & NOTEWORTHY This article discusses the effects and mechanisms of Parkin-mediated mitophagy in oxaliplatin-induced peripheral nerve pain (OIPNP) from both in vivo and in vitro. We believe that our study makes a significant contribution to the literature because OIPNP has always been the focus of clinical medicine, and mitochondrial quality regulation mechanisms especially Parkin-mediated mitophagy, have been deeply studied in recent years. We use a variety of molecular biological techniques and animal experiments to support our argument.
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Affiliation(s)
- Guoqing Zhao
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Te Zhang
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Jiannan Li
- Department of Plastic and Reconstructive Microsurgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Longyun Li
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Peng Chen
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Chunlu Zhang
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Kai Li
- Anesthesiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Cancan Cui
- Radiology Department, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
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2
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Cui Y, Zhai Y, Yuan Y, Wang X, Xu Q, Wu X, Xu L, Ren T, Wang Q, Sun H. Inhibition of PTEN-induced kinase 1 autophosphorylation may assist in preventing epileptogenesis induced by pentylenetetrazol. Neurochem Int 2024; 172:105644. [PMID: 38029887 DOI: 10.1016/j.neuint.2023.105644] [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: 10/13/2023] [Revised: 11/15/2023] [Accepted: 11/21/2023] [Indexed: 12/01/2023]
Abstract
PTEN-induced kinase 1 (PINK1) autophosphorylation-triggered mitophagy is the main mitophagic pathway in the nervous system. Moreover, multiple studies have confirmed that mitophagy is closely related to the occurrence and development of epilepsy. Therefore, we speculated that the PINK1 autophosphorylation may be involved in epileptogenesis by mediating mitophagic pathway. This study aimed to explore the contribution of activated PINK1 to epileptogenesis induced by pentylenetetrazol (PTZ) in Sprague‒Dawley rats. During PTZ-induced epileptogenesis, the levels of phosphorylated PINK1 were increased, accompanied by elevated mitophagy, mitochondria oxidative stress and neuronal damage. After microRNA intervention targeting translocase outer mitochondrial membrane 7 (TOM7) or overlapping with the m-AAA protease 1 homolog (OMA1), the levels of PINK1 phosphorylation, mitophagy, mitochondrial oxidative stress, neuronal injury were observed in the rats with induced epileptogenesis. Furthermore, inhibiting of the expression of TOM7, a positive regulator of PINK1 autophosphorylation, reversed the increase in PINK1 phosphorylation and alleviated mitophagy, neuronal injury, thereby preventing epileptogenesis. In contrast, reducing the levels of OMA1, a negative regulator of PINK1 autophosphorylation, led to increased phosphorylation of PINK1, accompanied by aggravated neuronal injury and ultimately, epileptogenesis. This study confirmed the contribution of activated PINK1 to PTZ-induced epileptogenesis and suggested that the inhibition of PINK1 autophosphorylation may assist in preventing epileptogenesis.
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Affiliation(s)
- Yaru Cui
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Yujie Zhai
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Yi Yuan
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Xiaoqian Wang
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Qianqian Xu
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Xiangdong Wu
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Linlin Xu
- Department of Neurology, The Second Hospital of Shandong University, Jinan, 250033, China
| | - Tianpu Ren
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China
| | - Qiaoyun Wang
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China.
| | - Hongliu Sun
- School of Pharmaceutical Sciences, Binzhou Medical University, Yantai, 264003, China.
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3
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Trempe JF, Gehring K. Structural mechanisms of mitochondrial quality control mediated by PINK1 and parkin. J Mol Biol 2023:168090. [PMID: 37054910 DOI: 10.1016/j.jmb.2023.168090] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/31/2023] [Accepted: 04/05/2023] [Indexed: 04/15/2023]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease and represents a looming public health crisis as the global population ages. While the etiology of the more common, idiopathic form of the disease remains unknown, the last ten years have seen a breakthrough in our understanding of the genetic forms related to two proteins that regulate a quality control system for the removal of damaged or non-functional mitochondria. Here, we review the structure of these proteins, PINK1, a protein kinase, and parkin, a ubiquitin ligase with an emphasis on the molecular mechanisms responsible for their recognition of dysfunctional mitochondria and control of the subsequent ubiquitination cascade. Recent atomic structures have revealed the basis of PINK1 substrate specificity and the conformational changes responsible for activation of PINK1 and parkin catalytic activity. Progress in understanding the molecular basis of mitochondrial quality control promises to open new avenues for therapeutic interventions in PD.
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Affiliation(s)
- Jean-François Trempe
- Department of Pharmacology & Therapeutics, McGill University, Montreal, Quebec, Canada; Centre de Recherche en Biologie Structurale
| | - Kalle Gehring
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada; Centre de Recherche en Biologie Structurale
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4
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Chin RM, Rakhit R, Ditsworth D, Wang C, Bartholomeus J, Liu S, Mody A, Laishu A, Eastes A, Tai C, Kim RY, Li J, Hansberry S, Khasnavis S, Rafalski V, Herendeen D, Garda V, Phung J, de Roulet D, Ordureau A, Harper JW, Johnstone S, Stöhr J, Hertz NT. Pharmacological PINK1 activation ameliorates Pathology in Parkinson's Disease models. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.14.528378. [PMID: 36824886 PMCID: PMC9949154 DOI: 10.1101/2023.02.14.528378] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
PINK1 loss-of-function mutations and exposure to mitochondrial toxins are causative for Parkinson's disease (PD) and Parkinsonism, respectively. We demonstrate that pathological α-synuclein deposition, the hallmark pathology of idiopathic PD, induces mitochondrial dysfunction and impairs mitophagy, driving accumulation of the PINK1 substrate pS65-Ubiquitin (pUb) in primary neurons and in vivo. We synthesized MTK458, a brain penetrant small molecule that binds to PINK1 and stabilizes an active heterocomplex, thereby increasing mitophagy. MTK458 mediates clearance of α-synuclein pathology in PFF seeding models in vitro and in vivo and reduces pUb. We developed an ultrasensitive assay to quantify pUb levels in plasma and observed an increase in pUb in PD subjects that correlates with disease progression, paralleling our observations in PD models. Our combined findings from preclinical PD models and patient biofluids suggest that pharmacological activation of PINK1 is worthy of further study as a therapeutic strategy for disease modification in PD. Highlights Discovery of a plasma Parkinson's Disease biomarker candidate, pS65-Ubiquitin (pUb)Plasma pUb levels correlate with disease status and progression in PD patients.Identification of a potent, brain penetrant PINK1 activator, MTK458MTK458 selectively activates PINK1 by stimulating dimerization and stabilization of the PINK1/TOM complexMTK458 drives clearance of α-synuclein pathology and normalizes pUb in in vivo Parkinson's models.
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5
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Fiesel FC, Fričová D, Hayes CS, Coban MA, Hudec R, Bredenberg JM, Broadway BJ, Markham BN, Yan T, Boneski PK, Fiorino G, Watzlawik JO, Hou X, McCarty AM, Lewis-Tuffin LJ, Zhong J, Madden BJ, Ordureau A, An H, Puschmann A, Wszolek ZK, Ross OA, Harper JW, Caulfield TR, Springer W. Substitution of PINK1 Gly411 modulates substrate receptivity and turnover. Autophagy 2022:1-22. [PMID: 36469690 DOI: 10.1080/15548627.2022.2151294] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The ubiquitin (Ub) kinase-ligase pair PINK1-PRKN mediates the degradation of damaged mitochondria by macroautophagy/autophagy (mitophagy). PINK1 surveils mitochondria and upon stress accumulates on the mitochondrial surface where it phosphorylates serine 65 of Ub to activate PRKN and to drive mitochondrial turnover. While loss of either PINK1 or PRKN is genetically linked to Parkinson disease (PD) and activating the pathway seems to have great therapeutic potential, there is no formal proof that stimulation of mitophagy is always beneficial. Here we used biochemical and cell biological methods to study single nucleotide variants in the activation loop of PINK1 to modulate the enzymatic function of this kinase. Structural modeling and in vitro kinase assays were used to investigate the molecular mechanism of the PINK1 variants. In contrast to the PD-linked PINK1G411S mutation that diminishes Ub kinase activity, we found that the PINK1G411A variant significantly boosted Ub phosphorylation beyond levels of PINK1 wild type. This resulted in augmented PRKN activation, mitophagy rates and increased viability after mitochondrial stress in midbrain-derived, gene-edited neurons. Mechanistically, the G411A variant stabilizes the kinase fold of PINK1 and transforms Ub to adopt the preferred, C-terminally retracted conformation for improved substrate turnover. In summary, we identify a critical role of residue 411 for substrate receptivity that may now be exploited for drug discovery to increase the enzymatic function of PINK1. The genetic substitution of Gly411 to Ala increases mitophagy and may be useful to confirm neuroprotection in vivo and might serve as a critical positive control during therapeutic development.Abbreviations: ATP: adenosine triphosphate; CCCP: carbonyl cyanide m-chlorophenyl hydrazone; Ub-CR: ubiquitin with C-terminally retracted tail; CTD: C-terminal domain (of PINK1); ELISA: enzyme-linked immunosorbent assay; HCI: high-content imaging; IB: immunoblot; IF: immunofluorescence; NPC: neuronal precursor cells; MDS: molecular dynamics simulation; PD: Parkinson disease; p-S65-Ub: ubiquitin phosphorylated at Ser65; RMSF: root mean scare fluctuation; TOMM: translocase of outer mitochondrial membrane; TVLN: ubiquitin with T66V and L67N mutation, mimics Ub-CR; Ub: ubiquitin; WT: wild-type.
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Affiliation(s)
- Fabienne C Fiesel
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | | | - Caleb S Hayes
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Mathew A Coban
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Roman Hudec
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | | | - Tingxiang Yan
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Paige K Boneski
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Gabriella Fiorino
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | | | - Xu Hou
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Laura J Lewis-Tuffin
- Cytometry and Imaging Laboratory, Department of Research, Mayo Clinic, Jacksonville, FL, USA
| | - Jun Zhong
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Benjamin J Madden
- Proteomics Core, Medical Genome Facility, Mayo Clinic, Rochester, MN, USA
| | - Alban Ordureau
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Heeseon An
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Andreas Puschmann
- Department of Neurology, Lund University, Skane University Hospital, Sweden
| | | | - Owen A Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
| | - J Wade Harper
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Thomas R Caulfield
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA.,Department of Neurosurgery, Mayo Clinic, Jacksonville, FL, USA
| | - Wolfdieter Springer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.,Neuroscience PhD Program, Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, USA
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6
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Wang M, Luan S, Fan X, Wang J, Huang J, Gao X, Han D. The emerging multifaceted role of PINK1 in cancer biology. Cancer Sci 2022; 113:4037-4047. [PMID: 36071695 DOI: 10.1111/cas.15568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/23/2022] [Accepted: 09/01/2022] [Indexed: 12/15/2022] Open
Abstract
For its various important functions in cells, phosphatase and tensin homolog-induced kinase 1 (PINK1) has drawn considerable attention for the role it plays in early-onset Parkinson's disease. In recent years, emerging evidence has supported the hypothesis that PINK1 plays a part in regulating many physiological and pathophysiological processes in cancer cells, including cytoplasmic homeostasis, cell survival, and cell death. According to the findings of these studies, PINK1 can function as a tumor promoter or suppressor, showing a duality that is dependent on the context. In this study we review the mechanistic characters relating to PINK1 based on available published data from peer-reviewed articles, The Cancer Genome Atlas data mining, and cell-based assays. This mini review focuses on some of the interplays between PINK1 and the context and recent developments in the field, including its growing involvement in mitophagy and its nonmitophagy organelles-related function. This review aims to help readers better grasp how PINK1 is functioning in cell physiological and pathophysiological processes, especially in cancer biology.
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Affiliation(s)
- Meng Wang
- Department of Colorectal Surgery, Cancer Hospital of University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China.,Department of Colorectal Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, China.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Shijia Luan
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Xiang Fan
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Jie Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Ju Huang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Xu Gao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Dong Han
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
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7
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Jiang XJ, Wu YQ, Ma R, Chang YM, Li LL, Zhu JH, Liu GP, Li G. PINK1 Alleviates Cognitive Impairments via Attenuating Pathological Tau Aggregation in a Mouse Model of Tauopathy. Front Cell Dev Biol 2022; 9:736267. [PMID: 35059394 PMCID: PMC8763800 DOI: 10.3389/fcell.2021.736267] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 11/25/2021] [Indexed: 01/18/2023] Open
Abstract
As a primary cause of dementia and death in older people, Alzheimer’s disease (AD) has become a common problem and challenge worldwide. Abnormal accumulation of tau proteins in the brain is a hallmark pathology of AD and is closely related to the clinical progression and severity of cognitive deficits. Here, we found that overexpression of phosphatase and tensin homolog (PTEN)-induced kinase 1 (PINK1) effectively promoted the degradation of tau, thereby rescuing neuron loss, synaptic damage, and cognitive impairments in a mouse model of tauopathy with AAV-full-length human Tau (hTau) injected into the hippocampal CA1 area (hTau mice). Overexpression of PINK1 activated autophagy, and chloroquine but not MG132 reversed the PINK1-induced decrease in human Tau levels and cognitive improvement in hTau mice. Furthermore, PINK1 also ameliorated mitochondrial dysfunction induced by hTau. Taken together, our data revealed that PINK1 overexpression promoted degradation of abnormal accumulated tau via the autophagy–lysosome pathway, indicating that PINK1 may be a potential target for AD treatment.
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Affiliation(s)
- Xing Jun Jiang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Qing Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rong Ma
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Min Chang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lu Lu Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Hui Zhu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gong Ping Liu
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China and Hubei Province for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Gang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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8
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Zhang T, Li J, Zhao G. Quality Control Mechanisms of Mitochondria: Another Important Target for Treatment of Peripheral Neuropathy. DNA Cell Biol 2021; 40:1513-1527. [PMID: 34851723 DOI: 10.1089/dna.2021.0529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Mitochondria provide energy for various cellular activities and are involved in the regulating of several physiological and pathological processes. Mitochondria constitute a dynamic network regulated by numerous quality control mechanisms; for example, division is necessary for mitochondria to develop, and fusion dilutes toxins produced by the mitochondria. Mitophagy removes damaged mitochondria. The etiologies of peripheral neuropathy include congenital and acquired diseases, and the pathogenesis varies; however, oxidative stress caused by mitochondrial damage is the accepted pathogenesis of peripheral neuropathy. Regulation and control of mitochondrial quality might point the way toward potential treatments for peripheral neuropathy. This article will review mitochondrial quality control mechanisms, their involvement in peripheral nerve diseases, and their potential therapeutic role.
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Affiliation(s)
- Te Zhang
- China-Japan Union Hospital of Jilin University, Changchun, P.R. China
| | - Jiannan Li
- China-Japan Union Hospital of Jilin University, Changchun, P.R. China
| | - Guoqing Zhao
- China-Japan Union Hospital of Jilin University, Changchun, P.R. China
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9
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Rasool S, Veyron S, Soya N, Eldeeb MA, Lukacs GL, Fon EA, Trempe JF. Mechanism of PINK1 activation by autophosphorylation and insights into assembly on the TOM complex. Mol Cell 2021; 82:44-59.e6. [PMID: 34875213 DOI: 10.1016/j.molcel.2021.11.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 10/05/2021] [Accepted: 11/11/2021] [Indexed: 12/26/2022]
Abstract
Mutations in PINK1 cause autosomal-recessive Parkinson's disease. Mitochondrial damage results in PINK1 import arrest on the translocase of the outer mitochondrial membrane (TOM) complex, resulting in the activation of its ubiquitin kinase activity by autophosphorylation and initiation of Parkin-dependent mitochondrial clearance. Herein, we report crystal structures of the entire cytosolic domain of insect PINK1. Our structures reveal a dimeric autophosphorylation complex targeting phosphorylation at the invariant Ser205 (human Ser228). The dimer interface requires insert 2, which is unique to PINK1. The structures also reveal how an N-terminal helix binds to the C-terminal extension and provide insights into stabilization of PINK1 on the core TOM complex.
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Affiliation(s)
- Shafqat Rasool
- Department of Pharmacology & Therapeutics and Centre de Recherche en Biologie Structurale, McGill University, Montréal, QC, Canada
| | - Simon Veyron
- Department of Pharmacology & Therapeutics and Centre de Recherche en Biologie Structurale, McGill University, Montréal, QC, Canada
| | - Naoto Soya
- Department of Physiology and Centre de Recherche en Biologie Structurale, McGill University, Montréal, QC, Canada
| | - Mohamed A Eldeeb
- McGill Parkinson Program and Neurodegenerative Diseases Group, Montreal Neurological Institute and Department of Neurology and Neurosurgery, McGill University, Montréal, QC, Canada
| | - Gergely L Lukacs
- Department of Physiology and Centre de Recherche en Biologie Structurale, McGill University, Montréal, QC, Canada
| | - Edward A Fon
- McGill Parkinson Program and Neurodegenerative Diseases Group, Montreal Neurological Institute and Department of Neurology and Neurosurgery, McGill University, Montréal, QC, Canada
| | - Jean-François Trempe
- Department of Pharmacology & Therapeutics and Centre de Recherche en Biologie Structurale, McGill University, Montréal, QC, Canada.
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10
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Targeting PINK1 Using Natural Products for the Treatment of Human Diseases. BIOMED RESEARCH INTERNATIONAL 2021; 2021:4045819. [PMID: 34751247 PMCID: PMC8572127 DOI: 10.1155/2021/4045819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/20/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022]
Abstract
PINK1, also known as PARK6, is a PTEN-induced putative kinase 1 that is encoded by nuclear genes. PINK1 is ubiquitously expressed and regulates mitochondrial function and mitophagy in a range of cell types. The dysregulation of PINK1 is associated with the pathogenesis and development of mitochondrial-associated disorders. Many natural products could regulate PINK1 to relieve PINK1-associated diseases. Here, we review the structure and function of PINK1, its relationship to human diseases, and the regulation of natural products to PINK1. We further highlight that the discovery of natural PINK1 regulators represents an attractive strategy for the treatment of PINK1-related diseases, including liver and heart diseases, cancer, and Parkinson's disease. Moreover, investigating PINK1 regulation of natural products can enhance the in-depth comprehension of the mechanism of action of natural products.
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11
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Mitochondrial quality control in intervertebral disc degeneration. Exp Mol Med 2021; 53:1124-1133. [PMID: 34272472 PMCID: PMC8333068 DOI: 10.1038/s12276-021-00650-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/18/2021] [Accepted: 06/07/2021] [Indexed: 02/06/2023] Open
Abstract
Intervertebral disc degeneration (IDD) is a common and early-onset pathogenesis in the human lifespan that can increase the risk of low back pain. More clarification of the molecular mechanisms associated with the onset and progression of IDD is likely to help establish novel preventive and therapeutic strategies. Recently, mitochondria have been increasingly recognized as participants in regulating glycolytic metabolism, which has historically been regarded as the main metabolic pathway in intervertebral discs due to their avascular properties. Indeed, mitochondrial structural and functional disruption has been observed in degenerated nucleus pulposus (NP) cells and intervertebral discs. Multilevel and well-orchestrated strategies, namely, mitochondrial quality control (MQC), are involved in the maintenance of mitochondrial integrity, mitochondrial proteostasis, the mitochondrial antioxidant system, mitochondrial dynamics, mitophagy, and mitochondrial biogenesis. Here, we address the key evidence and current knowledge of the role of mitochondrial function in the IDD process and consider how MQC strategies contribute to the protective and detrimental properties of mitochondria in NP cell function. The relevant potential therapeutic treatments targeting MQC for IDD intervention are also summarized. Further clarification of the functional and synergistic mechanisms among MQC mechanisms may provide useful clues for use in developing novel IDD treatments.
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12
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Gonçalves FB, Morais VA. PINK1: A Bridge between Mitochondria and Parkinson's Disease. Life (Basel) 2021; 11:life11050371. [PMID: 33919398 PMCID: PMC8143285 DOI: 10.3390/life11050371] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/31/2022] Open
Abstract
Mitochondria are known as highly dynamic organelles essential for energy production. Intriguingly, in the recent years, mitochondria have revealed the ability to maintain cell homeostasis and ultimately regulate cell fate. This regulation is achieved by evoking mitochondrial quality control pathways that are capable of sensing the overall status of the cellular environment. In a first instance, actions to maintain a robust pool of mitochondria take place; however, if unsuccessful, measures that lead to overall cell death occur. One of the central key players of these mitochondrial quality control pathways is PINK1 (PTEN-induce putative kinase), a mitochondrial targeted kinase. PINK1 is known to interact with several substrates to regulate mitochondrial functions, and not only is responsible for triggering mitochondrial clearance via mitophagy, but also participates in maintenance of mitochondrial functions and homeostasis, under healthy conditions. Moreover, PINK1 has been associated with the familial form of Parkinson’s disease (PD). Growing evidence has strongly linked mitochondrial homeostasis to the central nervous system (CNS), a system that is replenished with high energy demanding long-lasting neuronal cells. Moreover, sporadic cases of PD have also revealed mitochondrial impairments. Thus, one could speculate that mitochondrial homeostasis is the common denominator in these two forms of the disease, and PINK1 may play a central role in maintaining mitochondrial homeostasis. In this review, we will discuss the role of PINK1 in the mitochondrial physiology and scrutinize its role in the cascade of PD pathology.
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Belousov DM, Mikhaylenko EV, Somasundaram SG, Kirkland CE, Aliev G. The Dawn of Mitophagy: What Do We Know by Now? Curr Neuropharmacol 2021; 19:170-192. [PMID: 32442087 PMCID: PMC8033973 DOI: 10.2174/1570159x18666200522202319] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/10/2020] [Accepted: 05/17/2020] [Indexed: 01/31/2023] Open
Abstract
Mitochondria are essential organelles for healthy eukaryotic cells. They produce energyrich phosphate bond molecules (ATP) through oxidative phosphorylation using ionic gradients. The presence of mitophagy pathways in healthy cells enhances cell protection during mitochondrial damage. The PTEN-induced putative kinase 1 (PINK1)/Parkin-dependent pathway is the most studied for mitophage. In addition, there are other mechanisms leading to mitophagy (FKBP8, NIX, BNIP3, FUNDC1, BCL2L13). Each of these provides tethering of a mitochondrion to an autophagy apparatus via the interaction between receptor proteins (Optineurin, p62, NDP52, NBR1) or the proteins of the outer mitochondrial membrane with ATG9-like proteins (LC3A, LC3B, GABARAP, GABARAPL1, GATE16). Another pathogenesis of mitochondrial damage is mitochondrial depolarization. Reactive oxygen species (ROS) antioxidant responsive elements (AREs) along with antioxidant genes, including pro-autophagic genes, are all involved in mitochondrial depolarization. On the other hand, mammalian Target of Rapamycin Complex 1 (mTORC1) and AMP-dependent kinase (AMPK) are the major regulatory factors modulating mitophagy at the post-translational level. Protein-protein interactions are involved in controlling other mitophagy processes. The objective of the present review is to analyze research findings regarding the main pathways of mitophagy induction, recruitment of the autophagy machinery, and their regulations at the levels of transcription, post-translational modification and protein-protein interaction that appeared to be the main target during the development and maturation of neurodegenerative disorders.
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Affiliation(s)
| | | | | | - Cecil E. Kirkland
- Address correspondence to this author at the Department of Biological Sciences, Salem University, Salem, WV, 26426, USA & GALLY International Research Institute, San Antonio, TX 78229, USA;, E-mails: ,
| | - Gjumrakch Aliev
- Address correspondence to this author at the Department of Biological Sciences, Salem University, Salem, WV, 26426, USA & GALLY International Research Institute, San Antonio, TX 78229, USA;, E-mails: ,
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Wang N, Zhu P, Huang R, Wang C, Sun L, Lan B, He Y, Zhao H, Gao Y. PINK1: The guard of mitochondria. Life Sci 2020; 259:118247. [PMID: 32805222 DOI: 10.1016/j.lfs.2020.118247] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 07/26/2020] [Accepted: 08/06/2020] [Indexed: 12/22/2022]
Abstract
PTEN-induced putative kinase 1 (PINK1) performs many important functions in cells and has been highlighted for its role in early-onset Parkinson's disease. In recent years, an increasing number of studies have revealed the involvement of PINK1 in regulation of a variety of cell physiological and pathophysiological processes, of which regulation of mitochondrial function remains the most prominent. As the "energy factory" of cells, mitochondria provide energy support for various cellular activities. Changes in mitochondrial function often have a fundamental and global impact on cellular activities. Moreover, mitochondrial dysfunction has been implicated in many diseases, especially those related to aging. Thus, a comprehensive study of PINK1 will help us better understand the various cell physiological and pathophysiological processes in which PINK1 is involved, including a variety of mitochondria-related diseases such as Parkinson's disease. This article will review the structural characteristics and expression regulation of PINK1, as well as its unique role in mitochondrial quality control (MQC) systems.
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Affiliation(s)
- Nan Wang
- China-Japan Union Hospital, Jilin University, China
| | - Peining Zhu
- China-Japan Union Hospital, Jilin University, China
| | | | - Chong Wang
- China-Japan Union Hospital, Jilin University, China
| | - Liankun Sun
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, China
| | - Beiwu Lan
- China-Japan Union Hospital, Jilin University, China
| | - Yichun He
- China-Japan Union Hospital, Jilin University, China
| | | | - Yufei Gao
- China-Japan Union Hospital, Jilin University, China.
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15
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Qasim W, Li Y, Sun RM, Feng DC, Wang ZY, Liu DS, Yao JH, Tian XF. PTEN-induced kinase 1-induced dynamin-related protein 1 Ser637 phosphorylation reduces mitochondrial fission and protects against intestinal ischemia reperfusion injury. World J Gastroenterol 2020; 26:1758-1774. [PMID: 32351292 PMCID: PMC7183859 DOI: 10.3748/wjg.v26.i15.1758] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 03/17/2020] [Accepted: 03/26/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Intestinal ischemia reperfusion (I/R) occurs in various diseases, such as trauma and intestinal transplantation. Excessive reactive oxygen species (ROS) accumulation and subsequent apoptotic cell death in intestinal epithelia are important causes of I/R injury. PTEN-induced putative kinase 1 (PINK1) and phosphorylation of dynamin-related protein 1 (DRP1) are critical regulators of ROS and apoptosis. However, the correlation of PINK1 and DRP1 and their function in intestinal I/R injury have not been investigated. Thus, examining the PINK1/DRP1 pathway may help to identify a protective strategy and improve the patient prognosis.
AIM To clarify the mechanism of the PINK1/DRP1 pathway in intestinal I/R injury.
METHODS Male C57BL/6 mice were used to generate an intestinal I/R model via superior mesenteric artery occlusion followed by reperfusion. Chiu’s score was used to evaluate intestinal mucosa damage. The mitochondrial fission inhibitor mdivi-1 was administered by intraperitoneal injection. Caco-2 cells were incubated in vitro in hypoxia/reoxygenation conditions. Small interfering RNAs and overexpression plasmids were transfected to regulate PINK1 expression. The protein expression levels of PINK1, DRP1, p-DRP1 and cleaved caspase 3 were measured by Western blotting. Cell viability was evaluated using a Cell Counting Kit-8 assay and cell apoptosis was analyzed by TUNEL staining. Mitochondrial fission and ROS were tested by MitoTracker and MitoSOX respectively.
RESULTS Intestinal I/R and Caco-2 cell hypoxia/reoxygenation decreased the expression of PINK1 and p-DRP1 Ser637. Pretreatment with mdivi-1 inhibited mitochondrial fission, ROS generation, and apoptosis and ameliorated cell injury in intestinal I/R. Upon PINK1 knockdown or overexpression in vitro, we found that p-DRP1 Ser637 expression and DRP1 recruitment to the mitochondria were associated with PINK1. Furthermore, we verified the physical combination of PINK1 and p-DRP1 Ser637.
CONCLUSION PINK1 is correlated with mitochondrial fission and apoptosis by regulating DRP1 phosphorylation in intestinal I/R. These results suggest that the PINK1/DRP1 pathway is involved in intestinal I/R injury, and provide a new approach for prevention and treatment.
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Affiliation(s)
- Wasim Qasim
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Yang Li
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Rui-Min Sun
- Department of Pharmacology, Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Dong-Cheng Feng
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Zhan-Yu Wang
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - De-Shun Liu
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Ji-Hong Yao
- Department of Pharmacology, Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Xiao-Feng Tian
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
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16
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Bayne AN, Trempe JF. Mechanisms of PINK1, ubiquitin and Parkin interactions in mitochondrial quality control and beyond. Cell Mol Life Sci 2019; 76:4589-4611. [PMID: 31254044 PMCID: PMC11105328 DOI: 10.1007/s00018-019-03203-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 06/13/2019] [Accepted: 06/19/2019] [Indexed: 12/20/2022]
Abstract
Parkinson's disease (PD) is a degenerative movement disorder resulting from the loss of specific neuron types in the midbrain. Early environmental and pathophysiological studies implicated mitochondrial damage and protein aggregation as the main causes of PD. These findings are now vindicated by the characterization of more than 20 genes implicated in rare familial forms of the disease. In particular, two proteins encoded by the Parkin and PINK1 genes, whose mutations cause early-onset autosomal recessive PD, function together in a mitochondrial quality control pathway. In this review, we will describe recent development in our understanding of their mechanisms of action, structure, and function. We explain how PINK1 acts as a mitochondrial damage sensor via the regulated proteolysis of its N-terminus and the phosphorylation of ubiquitin tethered to outer mitochondrial membrane proteins. In turn, phospho-ubiquitin recruits and activates Parkin via conformational changes that increase its ubiquitin ligase activity. We then describe how the formation of polyubiquitin chains on mitochondria triggers the recruitment of the autophagy machinery or the formation of mitochondria-derived vesicles. Finally, we discuss the evidence for the involvement of these mechanisms in physiological processes such as immunity and inflammation, as well as the links to other PD genes.
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Affiliation(s)
- Andrew N Bayne
- Department of Pharmacology and Therapeutics and Centre for Structural Biology, McGill University, 3655 Prom Sir William Osler, Montreal, QC, H3G 1Y6, Canada
| | - Jean-François Trempe
- Department of Pharmacology and Therapeutics and Centre for Structural Biology, McGill University, 3655 Prom Sir William Osler, Montreal, QC, H3G 1Y6, Canada.
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Tang C, Zhang WP. How Phosphorylation by PINK1 Remodels the Ubiquitin System: A Perspective from Structure and Dynamics. Biochemistry 2019; 59:26-33. [PMID: 31503455 DOI: 10.1021/acs.biochem.9b00715] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Ubiquitin is an important signaling protein in cells. It functions by covalent attachment to substrate proteins and by noncovalent interactions with target proteins. Ubiquitins are also concatenated, and the resulting polyubiquitins recognize target proteins multivalently with enhanced specificity. The function of ubiquitin is enabled by the conformational dynamics of ubiquitin and polyubiquitins, which spans over 12 orders of magnitude in a time scale. Recently, it was found that ubiquitin can be phosphorylated by PINK1 at residues S65 and T66. Only sparsely populated for the unmodified ubiquitin, a C-terminally retracted conformation is stabilized for phosphorylated ubiquitin and is further enriched at an increasing pH. The modulation of tertiary structure further impacts the quaternary arrangements of ubiquitin subunits in polyubiquitins. Additionally, ubiquitin phosphorylation inhibits the activities of many enzymes responsible for attaching and removing polyubiquitins, thus remodeling the composition and length of polyubiquitins. The phosphorylation-remolded polyubiquitins can then recognize different target proteins. As PINK1 and ubiquitin phosphorylation levels are up-regulated under certain pathophysiological conditions, the remodeled ubiquitin system may be involved in the divergence of cell fate.
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Affiliation(s)
- Chun Tang
- CAS Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, National Center for Magnetic Resonance at Wuhan , Wuhan Institute of Physics and Mathematics of the Chinese Academy of Sciences , Wuhan , Hubei 430071 , China
| | - Wei-Ping Zhang
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China , Zhejiang University School of Medicine , Hangzhou , Zhejiang 310058 , China
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Padmanabhan S, Polinski NK, Menalled LB, Baptista MAS, Fiske BK. The Michael J. Fox Foundation for Parkinson's Research Strategy to Advance Therapeutic Development of PINK1 and Parkin. Biomolecules 2019; 9:biom9080296. [PMID: 31344817 PMCID: PMC6723155 DOI: 10.3390/biom9080296] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/16/2019] [Accepted: 07/19/2019] [Indexed: 01/01/2023] Open
Abstract
The role of mitochondria in Parkinson's disease (PD) has been investigated since the 1980s and is gaining attention with recent advances in PD genetics research. Mutations in PRKN and PTEN-Induced Putative Kinase 1 (PINK1) are well-established causes of autosomal recessive early-onset PD. Genetic and biochemical studies have revealed that PINK1 and Parkin proteins function together in the same biological pathway to govern mitochondrial quality control. These proteins have also been implicated in the regulation of innate and adaptive immunity and other mitochondrial functions. Additionally, structural studies on Parkin have delineated an activation mechanism and have identified druggable regions that are currently being explored by academic and industry groups. To de-risk therapeutic development for these genetic targets, The Michael J. Fox Foundation for Parkinson's Research (MJFF) has deployed a strategic funding and enabling framework that brings together the research community to discuss important breakthroughs and challenges in research on PINK1-Parkin biology, supports collaborative initiatives to further our understanding within this field and develops high-quality research tools and assays that are widely available to all researchers. The Foundation's efforts are leading to significant advances in understanding of the underlying biology of these genes, proteins and pathways and in the development of Parkinson's therapies.
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Affiliation(s)
- Shalini Padmanabhan
- The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station, P.O. Box 4777, New York, NY 10120, USA.
| | - Nicole K Polinski
- The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station, P.O. Box 4777, New York, NY 10120, USA
| | - Liliana B Menalled
- The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station, P.O. Box 4777, New York, NY 10120, USA
| | - Marco A S Baptista
- The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station, P.O. Box 4777, New York, NY 10120, USA
| | - Brian K Fiske
- The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station, P.O. Box 4777, New York, NY 10120, USA
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