1
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Identification of Parkinson's disease-associated chromatin regulators. Sci Rep 2023; 13:3084. [PMID: 36813848 PMCID: PMC9947017 DOI: 10.1038/s41598-023-30236-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Parkinson's disease (PD) is a common neurological disorder that causes quiescent tremors, motor delays, depression, and sleep disturbances. Existing treatments can only improve symptoms, not stop progression or cure the disease, but effective treatments can significantly improve patients' quality of life. There is growing evidence that chromatin regulatory proteins (CRs) are involved in a variety of biological processes, including inflammation, apoptosis, autophagy, and proliferation. But the relationship of chromatin regulators in Parkinson's disease has not been studied. Therefore, we aim to investigate the role of CRs in the pathogenesis of Parkinson's disease. We collected 870 chromatin regulatory factors from previous studies and downloaded data on patients with PD from the GEO database. 64 differentially expressed genes were screened, the interaction network was constructed and the key genes with the top 20 scores were calculated. Then we discussed its correlation with the immune function of PD. Finally, we screened potential drugs and miRNAs. Five genes related to the immune function of PD, BANF1, PCGF5, WDR5, RYBP and BRD2, were obtained by using the absolute value of correlation greater than 0.4. And the disease prediction model showed good predictive efficiency. We also screened 10 related drugs and 12 related miRNAs, which provided a reference for the treatment of PD. BANF1, PCGF5, WDR5, RYBP and BRD2 are related to the immune process of Parkinson's disease and can predict the occurrence of Parkinson's disease, which is expected to become a new target for the diagnosis and treatment of Parkinson's disease.
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2
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Smit JW, Basile P, Prato MK, Detalle L, Mathy F, Schmidt A, Lalla M, Germani M, Domange C, Biere A, Bani M, Carson S, Genius J. Phase 1/1b Studies of UCB0599, an Oral Inhibitor of α-Synuclein Misfolding, Including a Randomized Study in Parkinson's Disease. Mov Disord 2022; 37:2045-2056. [PMID: 35959805 PMCID: PMC9804489 DOI: 10.1002/mds.29170] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/26/2022] [Accepted: 06/27/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Parkinson's disease (PD) and its progression are thought to be caused and driven by misfolding of α-synuclein (ASYN). UCB0599 is an oral, small-molecule inhibitor of ASYN misfolding, aimed at slowing disease progression. OBJECTIVE The aim was to investigate safety/tolerability and pharmacokinetics (PK) of single and multiple doses of UCB0599. METHODS Safety/tolerability and PK of single and multiple doses of UCB0599 and its metabolites were investigated in two phase 1 studies in healthy participants (HPs), where food effect and possible interaction with itraconazole (ITZ) were assessed (UP0030 [randomized, placebo-controlled, dose-escalation, crossover study, N = 65] and UP0078 [open-label study, N = 22]). Safety/tolerability and multi-dose PK of UCB0599 were subsequently investigated in a phase 1b randomized, double-blind, placebo-controlled study of participants with PD (UP0077 [NCT04875962], N = 31). RESULTS Across all studies, UCB0599 displayed rapid absorption with linear, time-independent PK properties; PK of multiple doses of UCB0599 were predictable from single-dose exposures. No notable food-effect was observed; co-administration with ITZ affected UCB0599 disposition (maximum plasma concentration and area under the curve increased ~1.3- and ~2 to 3-fold, respectively) however, this did not impact the safety profile. Hypersensitivity reactions were reported in UP0030 (n = 2) and UP0077 (n = 2). Treatment-related adverse events occurred in 43% (UCB0599), and 30% (placebo) of participants with PD were predominantly mild-to-moderate in intensity and were not dose related. CONCLUSIONS Seventy-three HPs and 21 participants with PD received UCB0599 doses; an acceptable safety/tolerability profile and predictable PK support continued development of UCB0599 for the slowing of PD progression. A phase 2 study in early-stage PD is underway (NCT04658186). © 2022 UCB Pharma. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Massimo Bani
- UCB PharmaBraine‐l'AlleudBelgium,Present address:
Bergmapharm ConsultingVeronaItaly
| | | | - Just Genius
- UCB PharmaBraine‐l'AlleudBelgium,Present address:
Genius Biotech Solutions, LtdVictoriaMalta
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3
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Onaolapo AY, Ojo FO, Olofinnade AT, Falade J, Lawal IA, Onaolapo OJ. Microbiome-Based Therapies in Parkinson's Disease: Can Tuning the Microbiota Become a Viable Therapeutic Strategy? CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2022; 22:CNSNDDT-EPUB-126136. [PMID: 36056826 DOI: 10.2174/1871527321666220903114559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/20/2022] [Accepted: 07/16/2022] [Indexed: 06/15/2023]
Abstract
Progressive neurodegenerative disorders such as Parkinson's disease (PD) have continued to baffle medical science, despite strides in the understanding of their pathology. The inability of currently available therapies to halt disease progression is a testament to an incomplete understanding of pathways crucial to disease initiation, progression and management. Science has continued to link the activities and equilibrium of the gut microbiome to the health and proper functioning of brain neurons. They also continue to stir interest in the potential applications of technologies that may shift the balance of the gut microbiome towards achieving a favourable outcome in PD management. There have been suggestions that an improved understanding of the roles of the gut microbiota is likely to lead to the emergence of an era where their manipulation becomes a recognized strategy for PD management. This review examines the current state of our journey in the quest to understand how the gut microbiota can influence several aspects of PD. We highlight the relationship between the gut microbiome/microbiota and PD pathogenesis, as well as preclinical and clinical evidence evaluating the effect of postbiotics, probiotics and prebiotics in PD management. This is with a view to ascertaining if we are at the threshold of discovering the application of a usable tool in our quest for disease modifying therapies in PD.
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Affiliation(s)
- Adejoke Y Onaolapo
- Behavioural Neuroscience/Neurobiology Unit, Department of Anatomy, Faculty of Basic Medical Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
| | - Folusho O Ojo
- Department of Anatomy, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
| | - Anthony T Olofinnade
- Department of Pharmacology, Therapeutics and Toxicology, Faculty of Basic Clinical Sciences, College of Medicine, Lagos State University, Lagos State
| | - Joshua Falade
- Department of Mental Health, Afe-Babalola University Ado-Ekiti Ekiti State Nigeria
| | - Ismail A Lawal
- Department of Anatomy, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- Department of Anatomy, Faculty of Health Sciences. Alhikmah University Ilorin, Kwara State, Nigeria
| | - Olakunle J Onaolapo
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
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4
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Casalino E, Stine LB, Corin AJ, Thai CT, Quiroz J, Wilson SC, Labow M, Mittal S. A novel high-throughput screening strategy for targeting alpha-synuclein and other long-lived proteins. SLAS DISCOVERY : ADVANCING LIFE SCIENCES R & D 2022; 27:349-357. [PMID: 35580766 DOI: 10.1016/j.slasd.2022.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Small-molecule high-throughput screening (HTS) campaigns have frequently been used to identify lead molecules that can alter expression of disease-relevant proteins in cell-based assays. However, most cell-based HTS assays require short compound exposure periods to avoid toxicity and ensure that compounds are stable in media for the duration of the exposure. This limits the ability of HTS assays to detect inhibitors of the synthesis of target proteins with long half-lives, which can often exceed the exposure times utilized in most HTS campaigns. One such target is alpha-synuclein (α-syn)-a protein well-known for its pathological aggregation in Parkinson's Disease (PD) and other forms of neurodegeneration known collectively as synucleinopathies. Here, we report the development of an HTS assay using a CRISPR-engineered neuroblastoma cell line expressing a destabilized luciferase reporter inserted at the end of the coding region of the SNCA locus. The resultant destabilized fusion protein exhibited a significant reduction in half-life compared to the endogenous, unmodified α-syn protein, and accurately reported reductions in α-syn levels due to known protein translation inhibitors and specific α-syn siRNAs. The robustness and utility of this approach was shown by using the resulting cell line (dsLuc-Syn) to screen a focused library of 3,192 compounds for reduction of α-syn. These data demonstrate the general utility of converting endogenous loci into destabilized reporter genes capable of identifying inhibitors of gene expression of highly stable proteins even in short-term assays.
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Affiliation(s)
- Evan Casalino
- Neuroscience Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States
| | - Laurel B Stine
- Inflammation, Cardiovascular and Fibrosis Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States
| | - Aaron J Corin
- Inflammation, Cardiovascular and Fibrosis Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States
| | - Chuong-Thu Thai
- Compound Management, Automation and Assay Technology, Bristol Myers Squibb, San Diego, CA, United States
| | - Jose Quiroz
- Compound Management, Automation and Assay Technology, Bristol Myers Squibb, San Diego, CA, United States
| | - Stephen C Wilson
- Inflammation, Cardiovascular and Fibrosis Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States
| | - Mark Labow
- Neuroscience Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States.
| | - Shuchi Mittal
- Neuroscience Thematic Research Center, Bristol Myers Squibb, Cambridge, MA, United States.
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5
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Termine A, Fabrizio C, Strafella C, Caputo V, Petrosini L, Caltagirone C, Cascella R, Giardina E. A Hybrid Machine Learning and Network Analysis Approach Reveals Two Parkinson's Disease Subtypes from 115 RNA-Seq Post-Mortem Brain Samples. Int J Mol Sci 2022; 23:ijms23052557. [PMID: 35269707 PMCID: PMC8910747 DOI: 10.3390/ijms23052557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/16/2022] [Accepted: 02/24/2022] [Indexed: 12/26/2022] Open
Abstract
Precision medicine emphasizes fine-grained diagnostics, taking individual variability into account to enhance treatment effectiveness. Parkinson’s disease (PD) heterogeneity among individuals proves the existence of disease subtypes, so subgrouping patients is vital for better understanding disease mechanisms and designing precise treatment. The purpose of this study was to identify PD subtypes using RNA-Seq data in a combined pipeline including unsupervised machine learning, bioinformatics, and network analysis. Two hundred and ten post mortem brain RNA-Seq samples from PD (n = 115) and normal controls (NCs, n = 95) were obtained with systematic data retrieval following PRISMA statements and a fully data-driven clustering pipeline was performed to identify PD subtypes. Bioinformatics and network analyses were performed to characterize the disease mechanisms of the identified PD subtypes and to identify target genes for drug repurposing. Two PD clusters were identified and 42 DEGs were found (p adjusted ≤ 0.01). PD clusters had significantly different gene network structures (p < 0.0001) and phenotype-specific disease mechanisms, highlighting the differential involvement of the Wnt/β-catenin pathway regulating adult neurogenesis. NEUROD1 was identified as a key regulator of gene networks and ISX9 and PD98059 were identified as NEUROD1-interacting compounds with disease-modifying potential, reducing the effects of dopaminergic neurodegeneration. This hybrid data analysis approach could enable precision medicine applications by providing insights for the identification and characterization of pathological subtypes. This workflow has proven useful on PD brain RNA-Seq, but its application to other neurodegenerative diseases is encouraged.
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Affiliation(s)
- Andrea Termine
- Data Science Unit, IRCCS Santa Lucia Foundation c/o CERC, 00143 Rome, Italy; (A.T.); (C.F.)
| | - Carlo Fabrizio
- Data Science Unit, IRCCS Santa Lucia Foundation c/o CERC, 00143 Rome, Italy; (A.T.); (C.F.)
| | - Claudia Strafella
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (C.S.); (V.C.)
| | - Valerio Caputo
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (C.S.); (V.C.)
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy;
| | - Laura Petrosini
- Experimental and Behavioral Neurophysiology, IRCCS Santa Lucia Foundation c/o CERC, 00143 Rome, Italy;
| | - Carlo Caltagirone
- Department of Clinical and Behavioral Neurology, IRCCS Santa Lucia Foundation, 00179 Rome, Italy;
| | - Raffaella Cascella
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy;
- Department of Biomedical Sciences, Catholic University Our Lady of Good Counsel, 1000 Tirana, Albania
| | - Emiliano Giardina
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (C.S.); (V.C.)
- UILDM Lazio ONLUS Foundation, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy
- Correspondence:
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Harmon KK, Stout JR, Fukuda DH, Pabian PS, Rawson ES, Stock MS. The Application of Creatine Supplementation in Medical Rehabilitation. Nutrients 2021; 13:1825. [PMID: 34071875 PMCID: PMC8230227 DOI: 10.3390/nu13061825] [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: 04/16/2021] [Revised: 05/17/2021] [Accepted: 05/26/2021] [Indexed: 02/07/2023] Open
Abstract
Numerous health conditions affecting the musculoskeletal, cardiopulmonary, and nervous systems can result in physical dysfunction, impaired performance, muscle weakness, and disuse-induced atrophy. Due to its well-documented anabolic potential, creatine monohydrate has been investigated as a supplemental agent to mitigate the loss of muscle mass and function in a variety of acute and chronic conditions. A review of the literature was conducted to assess the current state of knowledge regarding the effects of creatine supplementation on rehabilitation from immobilization and injury, neurodegenerative diseases, cardiopulmonary disease, and other muscular disorders. Several of the findings are encouraging, showcasing creatine's potential efficacy as a supplemental agent via preservation of muscle mass, strength, and physical function; however, the results are not consistent. For multiple diseases, only a few creatine studies with small sample sizes have been published, making it difficult to draw definitive conclusions. Rationale for discordant findings is further complicated by differences in disease pathologies, intervention protocols, creatine dosing and duration, and patient population. While creatine supplementation demonstrates promise as a therapeutic aid, more research is needed to fill gaps in knowledge within medical rehabilitation.
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Affiliation(s)
- Kylie K. Harmon
- Neuromuscular Plasticity Laboratory, Institute of Exercise Physiology and Rehabilitation Science, School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, FL 32816, USA;
| | - Jeffrey R. Stout
- Physiology of Work and Exercise Response (POWER) Laboratory, Institute of Exercise Physiology and Rehabilitation Science, School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, FL 32816, USA; (J.R.S.); (D.H.F.)
| | - David H. Fukuda
- Physiology of Work and Exercise Response (POWER) Laboratory, Institute of Exercise Physiology and Rehabilitation Science, School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, FL 32816, USA; (J.R.S.); (D.H.F.)
| | - Patrick S. Pabian
- Musculoskeletal Research Laboratory, Institute of Exercise Physiology and Rehabilitation Science, School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, FL 32816, USA;
| | - Eric S. Rawson
- Department of Health, Nutrition, and Exercise Science, Messiah University, Mechanicsburg, PA 17055, USA;
| | - Matt S. Stock
- Neuromuscular Plasticity Laboratory, Institute of Exercise Physiology and Rehabilitation Science, School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, FL 32816, USA;
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7
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Rai SN, Singh P. Advancement in the modelling and therapeutics of Parkinson's disease. J Chem Neuroanat 2020; 104:101752. [PMID: 31996329 DOI: 10.1016/j.jchemneu.2020.101752] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 01/19/2020] [Accepted: 01/20/2020] [Indexed: 02/08/2023]
Abstract
Since the discovery of L-dopa in the middle of the 20th century (1960s), there is not any neuroprotective therapy available although significant development has been made in the treatment of symptomatic Parkinson's disease (PD). Neurological disorders like PD can be modelled in animals so as to recapitulates most of the symptoms seen in PD patients. In aging population, PD is the second most common neurodegenerative disease after Alzheimer's disease, even though significant outcomes have been achieved in PD research yet it still is a mystery to solve the treatments for PD. In the last two decades, PD models have provided enhanced precision into the understanding of the process of PD disease, its etiology, pathology, and molecular mechanisms behind it. Furthermore, at the same time as cellular models have helped to recognize specific events, animal models, both toxic and genetic, have replicated almost all of the hallmarks of PD and are very helpful for testing and finding new strategies for neuroprotection. Recently, in both classical and newer models, major advances have been done in the modelling of supplementary PD features have come into the light. In this review, we have try to provide an updated summary of the characteristics of these models related to in vitro and in vivo models, animal models for PD, stem cell model for PD, newer 3D model as well as the strengths and limitations of these most popular PD models.
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Affiliation(s)
- Sachchida Nand Rai
- Department of Zoology, Mahila Maha Vidhyalaya, Institute of Science, Banaras Hindu University, Varanasi, India.
| | - Payal Singh
- Department of Zoology, Mahila Maha Vidhyalaya, Institute of Science, Banaras Hindu University, Varanasi, India.
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Chen C, Guderyon MJ, Li Y, Ge G, Bhattacharjee A, Ballard C, He Z, Masliah E, Clark RA, O'Connor JC, Li S. Non-toxic HSC Transplantation-Based Macrophage/Microglia-Mediated GDNF Delivery for Parkinson's Disease. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 17:83-98. [PMID: 31890743 PMCID: PMC6931095 DOI: 10.1016/j.omtm.2019.11.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/15/2019] [Indexed: 02/08/2023]
Abstract
Glial cell-line-derived neurotrophic factor (GDNF) is a potent neuroprotective agent in cellular and animal models of Parkinson’s disease (PD). However, CNS delivery of GDNF in clinical trials has proven challenging due to blood-brain barrier (BBB) impermeability, poor diffusion within brain tissue, and large brain size. We report that using non-toxic mobilization-enabled preconditioning, hematopoietic stem cell (HSC) transplantation-based macrophage-mediated gene delivery may provide a solution to overcome these obstacles. Syngeneic bone marrow HSCs were transduced ex vivo with a lentiviral vector expressing macrophage promoter-driven GDNF and transplanted into 14-week-old MitoPark mice exhibiting PD-like impairments. Transplant preconditioning with granulocyte colony-stimulating factor (G-CSF) and AMD3100 was used to vacate bone marrow stem cell niches. Chimerism reached ∼80% after seven transplantation cycles. Transgene-expressing macrophages infiltrated degenerating CNS regions of MitoPark mice (not wild-type littermate controls), resulting in increased GDNF levels in the midbrain. Macrophage GDNF delivery not only markedly improved motor and non-motor dysfunction, but also dramatically mitigated the loss of dopaminergic neurons in both substantia nigra and the ventral tegmental area and preserved axonal terminals in the striatum. Striatal dopamine levels were almost completely restored. Our data support further development of mobilization-enabled HSC transplantation (HSCT)-based macrophage-mediated GDNF gene delivery as a disease-modifying therapy for PD.
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Affiliation(s)
- Cang Chen
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Michael J Guderyon
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Yang Li
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Guo Ge
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Anindita Bhattacharjee
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Cori Ballard
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Zhixu He
- Department of Pediatrics, Zunyi Medical University Affiliated Hospital and Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Science, Guiyang, Guizhou 550025, China
| | | | - Robert A Clark
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
| | - Jason C O'Connor
- Department of Pharmacology, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
| | - Senlin Li
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Department of Pharmacology, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
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Carrarini C, Russo M, Dono F, Di Pietro M, Rispoli MG, Di Stefano V, Ferri L, Barbone F, Vitale M, Thomas A, Sensi SL, Onofrj M, Bonanni L. A Stage-Based Approach to Therapy in Parkinson's Disease. Biomolecules 2019; 9:biom9080388. [PMID: 31434341 PMCID: PMC6723065 DOI: 10.3390/biom9080388] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/31/2019] [Accepted: 08/14/2019] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder that features progressive, disabling motor symptoms, such as bradykinesia, rigidity, and resting tremor. Nevertheless, some non-motor symptoms, including depression, REM sleep behavior disorder, and olfactive impairment, are even earlier features of PD. At later stages, apathy, impulse control disorder, neuropsychiatric disturbances, and cognitive impairment can present, and they often become a heavy burden for both patients and caregivers. Indeed, PD increasingly compromises activities of daily life, even though a high variability in clinical presentation can be observed among people affected. Nowadays, symptomatic drugs and non-pharmaceutical treatments represent the best therapeutic options to improve quality of life in PD patients. The aim of the present review is to provide a practical, stage-based guide to pharmacological management of both motor and non-motor symptoms of PD. Furthermore, warning about drug side effects, contraindications, as well as dosage and methods of administration, are highlighted here, to help the physician in yielding the best therapeutic strategies for each symptom and condition in patients with PD.
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Affiliation(s)
- Claudia Carrarini
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Mirella Russo
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Fedele Dono
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Martina Di Pietro
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Marianna G Rispoli
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Vincenzo Di Stefano
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Laura Ferri
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Filomena Barbone
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Michela Vitale
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Astrid Thomas
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Stefano Luca Sensi
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Marco Onofrj
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Laura Bonanni
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy.
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10
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Segura-Aguilar J. The importance of choosing a preclinical model that reflects what happens in Parkinson's disease. Neurochem Int 2019; 126:203-209. [PMID: 30922924 DOI: 10.1016/j.neuint.2019.03.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 03/19/2019] [Accepted: 03/21/2019] [Indexed: 02/06/2023]
Abstract
One of the major problems in the translation of successful preclinical results to clinical studies and new therapies in Parkinson's disease is the use of preclinical models based on exogenous neurotoxins that do not replicate what happens in the disease. The loss of dopaminergic neurons containing neuromelanin in Parkinson´s disease takes years, contrasting the very rapid degeneration induced by exogenous neurotoxins. We discuss the role of endogenous neurotoxins generated during dopamine oxidation and its possible use as new preclinical models for Parkinson´s disease.
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Affiliation(s)
- Juan Segura-Aguilar
- Molecular and Clinical Pharmacology, ICBM, Faculty of Medicine, University of Chile, Independencia 1027, 8350453, Independencia, Santiago, Chile.
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11
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Liss B, Striessnig J. The Potential of L-Type Calcium Channels as a Drug Target for Neuroprotective Therapy in Parkinson's Disease. Annu Rev Pharmacol Toxicol 2019; 59:263-289. [PMID: 30625283 DOI: 10.1146/annurev-pharmtox-010818-021214] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The motor symptoms of Parkinson's disease (PD) mainly arise from degeneration of dopamine neurons within the substantia nigra. As no disease-modifying PD therapies are available, and side effects limit long-term benefits of current symptomatic therapies, novel treatment approaches are needed. The ongoing phase III clinical study STEADY-PD is investigating the potential of the dihydropyridine isradipine, an L-type Ca2+ channel (LTCC) blocker, for neuroprotective PD therapy. Here we review the clinical and preclinical rationale for this trial and discuss potential reasons for the ambiguous outcomes of in vivo animal model studies that address PD-protective dihydropyridine effects. We summarize current views about the roles of Cav1.2 and Cav1.3 LTCC isoforms for substantia nigra neuron function, and their high vulnerability to degenerative stressors, and for PD pathophysiology. We discuss different dihydropyridine sensitivities of LTCC isoforms in view of their potential as drug targets for PD neuroprotection, and we conclude by considering how these aspects could guide further drug development.
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Affiliation(s)
- Birgit Liss
- Institut für Angewandte Physiologie, Universität Ulm, 89081 Ulm, Germany;
| | - Jörg Striessnig
- Abteilung Pharmakologie und Toxikologie, Institut für Pharmazie, and Center for Molecular Biosciences Innsbruck, Universität Innsbruck, A-6020 Innsbruck, Austria;
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12
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Wu Z, Wu A, Dong J, Sigears A, Lu B. Grape skin extract improves muscle function and extends lifespan of a Drosophila model of Parkinson's disease through activation of mitophagy. Exp Gerontol 2018; 113:10-17. [PMID: 30248358 DOI: 10.1016/j.exger.2018.09.014] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 09/13/2018] [Accepted: 09/18/2018] [Indexed: 12/22/2022]
Abstract
Recent studies suggest that moderate red wine consumption may confer several health benefits, including protection against heart disease, certain cancers and multiple age-related neurological diseases such as Alzheimer's disease. These health benefits are assumed to come from a compound from grape skin called resveratrol, which has been proposed to be a pro-longevity agent. Whether resveratrol accounts for all the health benefits of grape-derived nutrients and the molecular and cellular mechanisms underlying the beneficial effects of such nutrients are not well understood. Here we investigated the effect of supplementing grape skin extract (GSE) left from red wine-production process to the daily food intake of a Drosophila melanogaster model of Parkinson's disease (PD) associated with PTEN-induced kinase 1 (PINK1) loss-of-function. Consumption of GSE resulted in rescue of mitochondrial morphological defects, improvement of indirect flight muscle function and health-span, and prolonged lifespan of the PINK1 mutant flies. Further biochemical and genetic studies revealed a link between activation of mitophagy and the beneficial effects of GSE. Our results indicate that GSE can promote autophagy activation, preserve mitochondria function, and protect against PD pathogenesis, and that the beneficial effect of GSE in mitophagy activation is not accounted for by resveratrol alone.
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Affiliation(s)
- Zhihao Wu
- Department of Pathology and Programs in Neuroscience and Cancer Biology, Stanford University School of Medicine, Stanford, CA 94303, United States of America.
| | - Alan Wu
- Department of Pathology and Programs in Neuroscience and Cancer Biology, Stanford University School of Medicine, Stanford, CA 94303, United States of America; Crystal Springs Uplands School, Hillsborough, CA 94010, United States of America
| | - Jason Dong
- Department of Pathology and Programs in Neuroscience and Cancer Biology, Stanford University School of Medicine, Stanford, CA 94303, United States of America
| | - Andy Sigears
- Crystal Springs Uplands School, Hillsborough, CA 94010, United States of America
| | - Bingwei Lu
- Department of Pathology and Programs in Neuroscience and Cancer Biology, Stanford University School of Medicine, Stanford, CA 94303, United States of America.
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13
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Cox D, Raeburn C, Sui X, Hatters DM. Protein aggregation in cell biology: An aggregomics perspective of health and disease. Semin Cell Dev Biol 2018; 99:40-54. [PMID: 29753879 DOI: 10.1016/j.semcdb.2018.05.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 03/21/2018] [Accepted: 05/04/2018] [Indexed: 01/08/2023]
Abstract
Maintaining protein homeostasis (proteostasis) is essential for cellular health and is governed by a network of quality control machinery comprising over 800 genes. When proteostasis becomes imbalanced, proteins can abnormally aggregate or become mislocalized. Inappropriate protein aggregation and proteostasis imbalance are two of the central pathological features of common neurodegenerative diseases including Alzheimer, Parkinson, Huntington, and motor neuron diseases. How aggregation contributes to the pathogenic mechanisms of disease remains incompletely understood. Here, we integrate some of the key and emerging ideas as to how protein aggregation relates to imbalanced proteostasis with an emphasis on Huntington disease as our area of main expertise. We propose the term "aggregomics" be coined in reference to how aggregation of particular proteins concomitantly influences the spatial organization and protein-protein interactions of the surrounding proteome. Meta-analysis of aggregated interactomes from various published datasets reveals chaperones and RNA-binding proteins are common components across various disease contexts. We conclude with an examination of therapeutic avenues targeting proteostasis mechanisms.
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Affiliation(s)
- Dezerae Cox
- Department of Biochemistry and Molecular Biology, The University of Melbourne, Australia; Bio21 Molecular Science and Biotechnology Institute, Australia
| | - Candice Raeburn
- Department of Biochemistry and Molecular Biology, The University of Melbourne, Australia; Bio21 Molecular Science and Biotechnology Institute, Australia
| | - Xiaojing Sui
- Department of Biochemistry and Molecular Biology, The University of Melbourne, Australia; Bio21 Molecular Science and Biotechnology Institute, Australia
| | - Danny M Hatters
- Department of Biochemistry and Molecular Biology, The University of Melbourne, Australia; Bio21 Molecular Science and Biotechnology Institute, Australia.
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14
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Ravi SK, Narasingappa RB, Vincent B. Neuro-nutrients as anti-alzheimer's disease agents: A critical review. Crit Rev Food Sci Nutr 2018; 59:2999-3018. [PMID: 29846084 DOI: 10.1080/10408398.2018.1481012] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Alzheimer's disease (AD) is characterized by a massive neuronal death causing memory loss, cognitive impairment and behavioral alteration that ultimately lead to dementia and death. AD is a multi-factorial pathology controlled by molecular events such as oxidative stress, protein aggregation, mitochondrial dysfunction and neuro inflammation. Nowadays, there is no efficient disease-modifying treatment for AD and epidemiological studies have suggested that diet and nutrition have a significant impact on the development of this disorder. Indeed, some nutrients can protect all kind of cells, including neurons. As prevention is better than cure, life style improvement, with a special emphasis on diet, should seriously be considered as an anti-AD track and intake of nutrients promoting neuronal health is the need of the hour. Diets rich in unsaturated fatty acids, polyphenols and vitamins have been shown to protect against AD, whereas saturated fatty acids-containing diets deprived of polyphenols promote the development of the disease. Thus, Mediterranean diets, mainly composed of fruits, vegetables and omega-3 fatty acids, stand as valuable, mild and preventive anti-AD agents. This review focuses on our current knowledge in the field and how one can fight this devastating neurodegenerative disorder through the simple proper modification of our life style.
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Affiliation(s)
- Sunil K Ravi
- Department of Biotechnology, College of Agriculture, University of Agriculture Sciences , Bangalore , Hassan , Karnataka , India
| | - Ramesh B Narasingappa
- Department of Biotechnology, College of Agriculture, University of Agriculture Sciences , Bangalore , Hassan , Karnataka , India
| | - Bruno Vincent
- Institute of Molecular Biosciences, Mahidol University , Nakhon Pathom , Thailand.,Centre National de la Recherche Scientifique , Paris , France
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15
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Chen C, Li X, Ge G, Liu J, Biju KC, Laing SD, Qian Y, Ballard C, He Z, Masliah E, Clark RA, O'Connor JC, Li S. GDNF-expressing macrophages mitigate loss of dopamine neurons and improve Parkinsonian symptoms in MitoPark mice. Sci Rep 2018; 8:5460. [PMID: 29615705 PMCID: PMC5882968 DOI: 10.1038/s41598-018-23795-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/14/2018] [Indexed: 01/12/2023] Open
Abstract
Glial cell line-derived neurotrophic factor (GDNF) is the most potent neuroprotective agent tested in cellular and animal models of Parkinson's disease (PD). However, CNS delivery of GDNF is restricted by the blood-brain barrier (BBB). Using total body irradiation as transplant preconditioning, we previously reported that hematopoietic stem cell (HSC) transplantation (HSCT)-based macrophage-mediated gene therapy could deliver GDNF to the brain to prevent degeneration of nigrostriatal dopamine (DA) neurons in an acute murine neurotoxicity model. Here, we validate this therapeutic approach in a chronic progressive PD model - the MitoPark mouse, with head shielding to avoid inducing neuroinflammation and compromising BBB integrity. Bone marrow HSCs were transduced ex vivo with a lentiviral vector expressing macrophage promoter-driven GDNF and transplanted into MitoPark mice exhibiting well developed PD-like impairments. Transgene-expressing macrophages infiltrated the midbrains of MitoPark mice, but not normal littermates, and delivered GDNF locally. Macrophage GDNF delivery markedly improved both motor and non-motor symptoms, and dramatically mitigated the loss of both DA neurons in the substantia nigra and tyrosine hydroxylase-positive axonal terminals in the striatum. Our data support further development of this HSCT-based macrophage-mediated GDNF delivery approach in order to address the unmet need for a disease-modifying therapy for PD.
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Affiliation(s)
- Cang Chen
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Xiuhua Li
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Guo Ge
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Jingwei Liu
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - K C Biju
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Suzette D Laing
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Yusheng Qian
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Cori Ballard
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
| | - Zhixu He
- Stem Cells Research Center of Guizhou Medical University and Key Laboratory of Adult Stem cell Transformation Research, Chinese Academy of Medical Science, Guiyang, Guizhou, 550025, China
| | | | - Robert A Clark
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA
- Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, Texas, 78229, USA
| | - Jason C O'Connor
- Department of Pharmacology, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA.
- Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, Texas, 78229, USA.
| | - Senlin Li
- Department of Medicine, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA.
- Department of Pharmacology, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas, 78229, USA.
- Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, Texas, 78229, USA.
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16
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Segura-Aguilar J. Neurotoxins as Preclinical Models for Parkinson's Disease. Neurotox Res 2018; 34:870-877. [PMID: 29313219 DOI: 10.1007/s12640-017-9856-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/13/2017] [Accepted: 12/18/2017] [Indexed: 12/21/2022]
Abstract
Translational medicine is one of the major concerns in this century. While significant advances have been made with scientific knowledge, the translation of their promising results has not led to any new therapies. In Parkinson's disease, a long list of clinical studies, based on preclinical models with exogenous neurotoxins, has failed. Therefore, the aim of this opinion paper is to open discussion about preclinical models for Parkinson's disease based on neurotoxins.
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Affiliation(s)
- Juan Segura-Aguilar
- Department of Molecular and Clinical Pharmacology, Faculty of Medicine, University of Chile, Santiago, Chile.
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17
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Schwenkgrub J, Zaremba M, Joniec-Maciejak I, Cudna A, Mirowska-Guzel D, Kurkowska-Jastrzębska I. The phosphodiesterase inhibitor, ibudilast, attenuates neuroinflammation in the MPTP model of Parkinson's disease. PLoS One 2017; 12:e0182019. [PMID: 28753652 PMCID: PMC5533435 DOI: 10.1371/journal.pone.0182019] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 07/11/2017] [Indexed: 12/22/2022] Open
Abstract
Background/Aims Since the degeneration of the nigrostriatal dopaminergic pathway in Parkinson’s disease (PD) is associated with the inflammation process and decreased levels of cyclic nucleotides, inhibition of up-regulated cyclic nucleotide phosphodiesterases (PDEs) appears to be a promising therapeutic strategy. We used ibudilast (IBD), a non-selective PDE3,4,10,11 inhibitor, due to the abundant PDE 4 and 10 expression in the striatum. The present study for the first time examined the efficacy of IBD in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD. Methods IBD [0, 20, 30, 40, or 50 mg/kg] was injected b.i.d. subcutaneously for nine days to three-month-old male C57Bl/10Tar mice, beginning two days prior to MPTP (60 mg/kg) intoxication. High-pressure liquid chromatography, Western blot analysis, and real time RT-PCR methods were applied. Results Our study demonstrated that chronic administration of IBD attenuated astroglial reactivity and increased glial cell-derived neurotrophic factor (GDNF) production in the striatum. Moreover, IBD reduced TNF-α, IL-6, and IL-1β expression. Conclusion IBD had a well-defined effect on astroglial activation in the mouse model of PD; however, there was no protective effect in the acute phase of injury. Diminished inflammation and an increased level of GDNF may provide a better outcome in the later stages of neurodegeneration.
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Affiliation(s)
- Joanna Schwenkgrub
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Warsaw, Poland
| | - Malgorzata Zaremba
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Warsaw, Poland
- Laboratory of Magnetic Resonance Imaging of Small Animals, Mossakowski Medical Research Centre, PAS, Warsaw, Poland
- * E-mail:
| | - Ilona Joniec-Maciejak
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Warsaw, Poland
| | - Agnieszka Cudna
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Warsaw, Poland
- 2 Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland
| | - Dagmara Mirowska-Guzel
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Warsaw, Poland
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18
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Spindola B, Leite MA, Orsini M, Fonoff E, Landeiro JA, Pessoa BL. Ablative surgery for Parkinson’s disease: Is there still a role for pallidotomy in the deep brain stimulation era? Clin Neurol Neurosurg 2017; 158:33-39. [DOI: 10.1016/j.clineuro.2017.04.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 02/19/2017] [Accepted: 04/19/2017] [Indexed: 12/12/2022]
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19
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Herrera A, Muñoz P, Steinbusch HWM, Segura-Aguilar J. Are Dopamine Oxidation Metabolites Involved in the Loss of Dopaminergic Neurons in the Nigrostriatal System in Parkinson's Disease? ACS Chem Neurosci 2017; 8:702-711. [PMID: 28233992 DOI: 10.1021/acschemneuro.7b00034] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
In 1967, L-dopa was introduced as part of the pharmacological therapy of Parkinson's disease (PD) and, in spite of extensive research, no additional effective drugs have been discovered to treat PD. This brings forward the question: why have no new drugs been developed? We consider that one of the problems preventing the discovery of new drugs is that we still have no information on the pathophysiology of the neurodegeneration of the neuromelanin-containing nigrostriatal dopaminergic neurons. Currently, it is widely accepted that the degeneration of dopaminergic neurons, i.e., in the substantia nigra pars compacta, involves mitochondrial dysfunction, the formation of neurotoxic oligomers of alpha-synuclein, the dysfunction of protein degradation systems, neuroinflammation, and oxidative and endoplasmic reticulum stress. However, the initial trigger of these mechanisms in the nigrostriatal system is still unknown. It has been reported that aminochrome induces the majority of these mechanisms involved in the neurodegeneration process. Aminochrome is formed within the cytoplasm of neuromelanin-containing dopaminergic neurons during the oxidation of dopamine to neuromelanin. The oxidation of dopamine to neuromelanin is a normal and harmless process, because healthy individuals have intact neuromelanin-containing dopaminergic neurons. Interestingly, aminochrome-induced neurotoxicity is prevented by two enzymes: DT-diaphorase and glutathione transferase M2-2, which explains why melanin-containing dopaminergic neurons are intact in healthy human brains.
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Affiliation(s)
- Andrea Herrera
- Molecular & Clinical Pharmacology, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
- Department of Neuroscience, Faculty of
Health, Medicine and Life Sciences, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Patricia Muñoz
- Molecular & Clinical Pharmacology, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Harry W. M. Steinbusch
- Department of Neuroscience, Faculty of
Health, Medicine and Life Sciences, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Juan Segura-Aguilar
- Molecular & Clinical Pharmacology, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
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20
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On the Role of DT-Diaphorase Inhibition in Aminochrome-Induced Neurotoxicity In Vivo. Neurotox Res 2017; 32:134-140. [DOI: 10.1007/s12640-017-9719-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 02/23/2017] [Accepted: 02/28/2017] [Indexed: 12/11/2022]
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21
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Espay AJ, Schwarzschild MA, Tanner CM, Fernandez HH, Simon DK, Leverenz JB, Merola A, Chen-Plotkin A, Brundin P, Kauffman MA, Erro R, Kieburtz K, Woo D, Macklin EA, Standaert DG, Lang AE. Biomarker-driven phenotyping in Parkinson's disease: A translational missing link in disease-modifying clinical trials. Mov Disord 2017; 32:319-324. [PMID: 28233927 DOI: 10.1002/mds.26913] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 11/19/2016] [Accepted: 12/11/2016] [Indexed: 01/18/2023] Open
Abstract
Past clinical trials of putative neuroprotective therapies have targeted PD as a single pathogenic disease entity. From an Oslerian clinicopathological perspective, the wide complexity of PD converges into Lewy bodies and justifies a reductionist approach to PD: A single-mechanism therapy can affect most of those sharing the classic pathological hallmark. From a systems-biology perspective, PD is a group of disorders that, while related by sharing the feature of nigral dopamine-neuron degeneration, exhibit unique genetic, biological, and molecular abnormalities, which probably respond differentially to a given therapeutic approach, particularly for strategies aimed at neuroprotection. Under this model, only biomarker-defined, homogenous subtypes of PD are likely to respond optimally to therapies proven to affect the biological processes within each subtype. Therefore, we suggest that precision medicine applied to PD requires a reevaluation of the biomarker-discovery effort. This effort is currently centered on correlating biological measures to clinical features of PD and on identifying factors that predict whether various prodromal states will convert into the classical movement disorder. We suggest, instead, that subtyping of PD requires the reverse view, where abnormal biological signals (i.e., biomarkers), rather than clinical definitions, are used to define disease phenotypes. Successful development of disease-modifying strategies will depend on how relevant the specific biological processes addressed by an intervention are to the pathogenetic mechanisms in the subgroup of targeted patients. This precision-medicine approach will likely yield smaller, but well-defined, subsets of PD amenable to successful neuroprotection. © 2017 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Alberto J Espay
- Department of Neurology, UC Gardner Neuroscience Institute, Gardner Center for Parkinson's disease and Movement Disorders, University of Cincinnati, Cincinnati, Ohio, USA
| | - Michael A Schwarzschild
- MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Caroline M Tanner
- Department of Neurology, University of California-San Francisco and the Parkinson's Disease Research Education and Clinical Center, San Francisco Veterans Affairs Medical Center, San Francisco, California, USA
| | - Hubert H Fernandez
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, Ohio, USA
| | - David K Simon
- Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | - James B Leverenz
- Lou Ruvo Center for Brain Health, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Aristide Merola
- Department of Neurology, UC Gardner Neuroscience Institute, Gardner Center for Parkinson's disease and Movement Disorders, University of Cincinnati, Cincinnati, Ohio, USA
| | - Alice Chen-Plotkin
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Patrik Brundin
- Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, Michigan, USA
| | - Marcelo A Kauffman
- Consultorio y Laboratorio de Neurogenética, Centro Universitario de Neurología "José María Ramos Mejía" y División Neurología, Hospital JM Ramos Mejía, Facultad de Medicina, UBA, and Programa de Medicina de Precision y Genomica Clinica, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, Universidad Austral-CONICET, Pilar, Argentina
| | - Roberto Erro
- Sobell department of Motor Neuroscience and Movement Disorders, University College London, Institute of Neurology, London, United Kingdom.,Department of Neuroscience, Biomedicine and Movement Science, University of Verona, Verona, Italy
| | - Karl Kieburtz
- Department of Neurology and CHET, University of Rochester Medical Center, Rochester, New York, USA
| | - Daniel Woo
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Eric A Macklin
- Department of Medicine, Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David G Standaert
- Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Anthony E Lang
- Morton and Gloria Shulman Movement Disorders Center, Toronto Western Hospital and The Edmond J. Safra Program in PD, Toronto, Ontario, Canada, University of Toronto, Toronto, Ontario, Canada
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22
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Espay AJ, Brundin P, Lang AE. Precision medicine for disease modification in Parkinson disease. Nat Rev Neurol 2017; 13:119-126. [PMID: 28106064 DOI: 10.1038/nrneurol.2016.196] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Alberto J Espay
- James J and Joan A Gardner Family Center for Parkinson's Disease and Movement Disorders, Department of Neurology, University of Cincinnati, 260 Stetson Street, Suite 2300, Cincinnati, Ohio 45219, USA
| | - Patrik Brundin
- The Laboratory of Translational Parkinson's Disease Research and The Center for Neurodegenerative Science, Van Andel Research Institute, 333 Bostwick Avenue N.E., Grand Rapids, Michigan 49503, USA
| | - Anthony E Lang
- The Morton and Gloria Shulman Movement Disorders Clinic and The Edmond J. Safra Program in Parkinson's Disease, University Health Network, University of Toronto, 399 Bathurst Street, Toronto, Ontario, M5T 2S8, Canada
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23
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Langley J, Huddleston DE, Sedlacik J, Boelmans K, Hu XP. Parkinson's disease–related increase of ‐weighted hypointensity in substantia nigra pars compacta. Mov Disord 2016; 32:441-449. [DOI: 10.1002/mds.26883] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 10/03/2016] [Accepted: 10/23/2016] [Indexed: 01/05/2023] Open
Affiliation(s)
- Jason Langley
- Wallace H. Coulter Department of Biomedical EngineeringGeorgia Institute of Technology and Emory UniversityAtlanta Georgia USA
- Center for Advanced NeuroimagingUniversity of California RiversideRiverside CA
| | | | - Jan Sedlacik
- Department of NeuroradiologyUniversity Medical Center Hamburg‐Eppendorf (UKE)Hamburg Germany
| | - Kai Boelmans
- Department of NeurologyJulius‐Maximilians‐UniversityWürzburg Germany
| | - Xiaoping P. Hu
- Wallace H. Coulter Department of Biomedical EngineeringGeorgia Institute of Technology and Emory UniversityAtlanta Georgia USA
- Center for Advanced NeuroimagingUniversity of California RiversideRiverside CA
- Department of BioengineeringUniversity of California RiversideRiverside California USA
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24
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Zhang TM, Yu SY, Guo P, Du Y, Hu Y, Piao YS, Zuo LJ, Lian TH, Wang RD, Yu QJ, Jin Z, Zhang W. Nonmotor symptoms in patients with Parkinson disease: A cross-sectional observational study. Medicine (Baltimore) 2016; 95:e5400. [PMID: 27977578 PMCID: PMC5268024 DOI: 10.1097/md.0000000000005400] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Parkinson disease (PD) is usually accompanied by numerous nonmotor symptoms (NMS), such as neuropsychiatric symptoms, sleep disorders, autonomic dysfunctions, and sensory disturbances. However, it is not clear that the factors influencing the occurrence of NMS and its sequence with motor symptoms (MS).We conducted comprehensive assessments of NMS by using 13 scales in 1119 PD patients.A total of 70.8% PD patients present NMS. Olfactory dysfunction tends to occur in PD patients with older age, more severe depression, sleep problems, and autonomic dysfunctions. Older patients are more likely to have olfactory dysfunction before MS than younger patients. Rapid eye movement behavior disorder is more prone to happen in patients with older age, older onset age, more severe depression, sleep problems, and autonomic dysfunctions. Patients with rapid eye movement behavior disorder before MS are older in onset age than after group.Olfactory dysfunction, constipation, rapid eye movement behavior disorder, and depression, as early warning NMSs of PD, connected to each other. There is a clinical heterogeneity that older patients are more likely to have NMS before MS, while younger patients are opposite.
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Affiliation(s)
| | | | | | - Yang Du
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | | | | | - Li-jun Zuo
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | - Teng-hong Lian
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | - Rui-dan Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | - Qiu-jin Yu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | - Zhao Jin
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
| | - Wei Zhang
- Department of Geriatrics
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University
- China National Clinical Research Center for Neurological Diseases; Center of Parkinson's Disease, Beijing Institute for Brain Disorders; Beijing Key Laboratory on Parkinson Disease, Beijing, China
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25
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Caruana M, Cauchi R, Vassallo N. Putative Role of Red Wine Polyphenols against Brain Pathology in Alzheimer's and Parkinson's Disease. Front Nutr 2016; 3:31. [PMID: 27570766 PMCID: PMC4981604 DOI: 10.3389/fnut.2016.00031] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Accepted: 07/29/2016] [Indexed: 01/07/2023] Open
Abstract
Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common age-related neurodegenerative disorders and hence pose remarkable socio-economical burdens to both families and state. Although AD and PD have different clinical and neuropathological features, they share common molecular mechanisms that appear to be triggered by multi-factorial events, such as protein aggregation, mitochondrial dysfunction, oxidative stress (OS), and neuroinflammation, ultimately leading to neuronal cell death. Currently, there are no established and validated disease-modifying strategies for either AD or PD. Among the various lifestyle factors that may prevent or slow age-related neurodegenerative diseases, epidemiological studies on moderate consumption of red wine, especially as part of a holistic Mediterranean diet, have attracted increasing interest. Red wine is particularly rich in specific polyphenolic compounds that appear to affect the biological processes of AD and PD, such as quercetin, myricetin, catechins, tannins, anthocyanidins, resveratrol, and ferulic acid. Indeed, there is now a consistent body of in vitro and in vivo data on the neuroprotective effects of red wine polyphenols (RWP) showing that they do not merely possess antioxidant properties, but may additionally act upon, in a multi-target manner, the underlying key mechanisms featuring in both AD and PD. Furthermore, it is important that bioavailability issues are addressed in order for neuroprotection to be relevant in a clinical study scenario. This review summarizes the current knowledge about the major classes of RWP and places into perspective their potential to be considered as nutraceuticals to target neuropathology in AD and PD.
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Affiliation(s)
- Mario Caruana
- Centre for Molecular Medicine and Biobanking, University of Malta , Msida , Malta
| | - Ruben Cauchi
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta; Department of Physiology and Biochemistry, University of Malta, Msida, Malta
| | - Neville Vassallo
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta; Department of Physiology and Biochemistry, University of Malta, Msida, Malta
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Muñoz P, Segura-Aguilar J. Commentary: A Humanized Clinically Calibrated Quantitative Systems Pharmacology Model for Hypokinetic Motor Symptoms in Parkinson's Disease. Front Pharmacol 2016; 7:179. [PMID: 27378526 PMCID: PMC4913531 DOI: 10.3389/fphar.2016.00179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 06/06/2016] [Indexed: 11/13/2022] Open
Affiliation(s)
- Patricia Muñoz
- Molecular and Clinical Pharmacology, Faculty of Medicine, University of Chile Santiago, Chile
| | - Juan Segura-Aguilar
- Molecular and Clinical Pharmacology, Faculty of Medicine, University of Chile Santiago, Chile
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Muñoz P, Paris I, Segura-Aguilar J. Commentary: Evaluation of Models of Parkinson's Disease. Front Neurosci 2016; 10:161. [PMID: 27147953 PMCID: PMC4835501 DOI: 10.3389/fnins.2016.00161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 03/29/2016] [Indexed: 11/29/2022] Open
Affiliation(s)
- Patricia Muñoz
- Molecular and Clinical Pharmacology, Faculty of Medicine, University of Chile Santiago, Chile
| | - Irmgard Paris
- Molecular and Clinical Pharmacology, Faculty of Medicine, University of ChileSantiago, Chile; Departamento de Ciencia Básicas, Facultad de Ciencias, Universidad Santo TomasViña del Mar, Chile
| | - Juan Segura-Aguilar
- Molecular and Clinical Pharmacology, Faculty of Medicine, University of Chile Santiago, Chile
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