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Dues DJ, Ma Y, Nguyen APT, Offerman AV, Beddows I, Moore DJ. Formation of templated inclusions in a forebrain α-synuclein mouse model is independent of LRRK2. Neurobiol Dis 2023; 188:106338. [PMID: 38435455 PMCID: PMC10906965 DOI: 10.1016/j.nbd.2023.106338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024] Open
Abstract
Leucine-rich repeat kinase 2 (LRRK2) and α-synuclein share enigmatic roles in the pathobiology of Parkinson's disease (PD). LRRK2 mutations are a common genetic cause of PD which, in addition to neurodegeneration, often present with abnormal deposits of α-synuclein in the form of Lewy-related pathology. As Lewy-related pathology is a prominent neuropathologic finding in sporadic PD, the relationship between LRRK2 and α-synuclein has garnered considerable interest. However, whether and how LRRK2 might influence the accumulation of Lewy-related pathology remains poorly understood. Through stereotactic injection of mouse α-synuclein pre-formed fibrils (PFF), we modeled the spread of Lewy-related pathology within forebrain regions where LRRK2 is most highly expressed. The impact of LRRK2 genotype on the formation of α-synuclein inclusions was evaluated at 1-month post-injection. Neither deletion of LRRK2 nor G2019S LRRK2 knockin appreciably altered the burden of α-synuclein pathology at this early timepoint. These observations fail to provide support for a robust pathophysiologic interaction between LRRK2 and α-synuclein in the forebrain in vivo. There was, however, a modest reduction in microglial activation induced by PFF delivery in the hippocampus of LRRK2 knockout mice, suggesting that LRRK2 may contribute to α-synuclein-induced neuroinflammation. Collectively, our data indicate that the pathological accumulation of α-synuclein in the mouse forebrain is largely independent of LRRK2.
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Affiliation(s)
- Dylan J. Dues
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - Yue Ma
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - An Phu Tran Nguyen
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - Alina V. Offerman
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - Ian Beddows
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Darren J. Moore
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
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2
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Dues DJ, Ma Y, Nguyen APT, Offerman AV, Beddows I, Moore DJ. Formation of templated inclusions in a forebrain α-synuclein mouse model is independent of LRRK2. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.19.553965. [PMID: 37645723 PMCID: PMC10462117 DOI: 10.1101/2023.08.19.553965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Leucine-rich repeat kinase 2 (LRRK2) and α-synuclein share enigmatic roles in the pathobiology of Parkinson's disease (PD). LRRK2 mutations are a common genetic cause of PD which, in addition to neurodegeneration, often present with abnormal deposits of α-synuclein in the form of Lewy-related pathology. As Lewy-related pathology is a prominent neuropathologic finding in sporadic PD, the relationship between LRRK2 and α-synuclein has garnered considerable interest. However, whether and how LRRK2 might influence the accumulation of Lewy-related pathology remains poorly understood. Through stereotactic injection of mouse α-synuclein pre-formed fibrils (PFF), we modeled the spread of Lewy-related pathology within forebrain regions where LRRK2 is most highly expressed. The impact of LRRK2 genotype on the formation of α-synuclein inclusions was evaluated at 1-month post-injection. Neither deletion of LRRK2 nor G2019S LRRK2 knockin appreciably altered the burden of α-synuclein pathology at this early timepoint. These observations fail to provide support for a robust pathophysiologic interaction between LRRK2 and α-synuclein in the forebrain in vivo. There was, however, a modest reduction in microglial activation induced by PFF delivery in the hippocampus of LRRK2 knockout mice, suggesting that LRRK2 may contribute to α-synuclein-induced neuroinflammation. Collectively, our data indicate that the pathological accumulation of α-synuclein in the mouse forebrain is largely independent of LRRK2.
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Affiliation(s)
- Dylan J. Dues
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Yue Ma
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, Michigan, USA
| | - An Phu Tran Nguyen
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Alina V. Offerman
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Ian Beddows
- Department of Epigenetics, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Darren J. Moore
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, Michigan, USA
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3
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Iba M, Kim C, Kwon S, Szabo M, Horan-Portelance L, Peer CJ, Figg WD, Reed X, Ding J, Lee SJ, Rissman RA, Cookson MR, Overk C, Wrasidlo W, Masliah E. Inhibition of p38α MAPK restores neuronal p38γ MAPK and ameliorates synaptic degeneration in a mouse model of DLB/PD. Sci Transl Med 2023; 15:eabq6089. [PMID: 37163617 DOI: 10.1126/scitranslmed.abq6089] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 04/21/2023] [Indexed: 05/12/2023]
Abstract
Alterations in the p38 mitogen-activated protein kinases (MAPKs) play an important role in the pathogenesis of dementia with Lewy bodies (DLB) and Parkinson's disease (PD). Activation of the p38α MAPK isoform and mislocalization of the p38γ MAPK isoform are associated with neuroinflammation and synaptic degeneration in DLB and PD. Therefore, we hypothesized that p38α might be associated with neuronal p38γ distribution and synaptic dysfunction in these diseases. To test this hypothesis, we treated in vitro cellular and in vivo mouse models of DLB/PD with SKF-86002, a compound that attenuates inflammation by inhibiting p38α/β, and then investigated the effects of this compound on p38γ and neurodegenerative pathology. We found that inhibition of p38α reduced neuroinflammation and ameliorated synaptic, neurodegenerative, and motor behavioral deficits in transgenic mice overexpressing human α-synuclein. Moreover, treatment with SKF-86002 promoted the redistribution of p38γ to synapses and reduced the accumulation of α-synuclein in mice overexpressing human α-synuclein. Supporting the potential value of targeting p38 in DLB/PD, we found that SKF-86002 promoted the redistribution of p38γ in neurons differentiated from iPS cells derived from patients with familial PD (carrying the A53T α-synuclein mutation) and healthy controls. Treatment with SKF-86002 ameliorated α-synuclein-induced neurodegeneration in these neurons only when microglia were pretreated with this compound. However, direct treatment of neurons with SKF-86002 did not affect α-synuclein-induced neurotoxicity, suggesting that SKF-86002 treatment inhibits α-synuclein-induced neurotoxicity mediated by microglia. These findings provide a mechanistic connection between p38α and p38γ as well as a rationale for targeting this pathway in DLB/PD.
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Affiliation(s)
- Michiyo Iba
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Changyoun Kim
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Somin Kwon
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Marcell Szabo
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Liam Horan-Portelance
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Cody J Peer
- Clinical Pharmacology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - William D Figg
- Clinical Pharmacology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Xylena Reed
- Laboratory of Neurogenetics, Cell Biology and Gene Expression Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jinhui Ding
- Laboratory of Neurogenetics, Computational Biology Group, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Seung-Jae Lee
- Department of Biomedical Sciences, Neuroscience Research Institute, and Department of Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Robert A Rissman
- Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Mark R Cookson
- Laboratory of Neurogenetics, Cell Biology and Gene Expression Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Cassia Overk
- Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Wolf Wrasidlo
- Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Eliezer Masliah
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
- Division of Neuroscience, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
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4
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Volta M. Lysosomal Pathogenesis of Parkinson's Disease: Insights From LRRK2 and GBA1 Rodent Models. Neurotherapeutics 2023; 20:127-139. [PMID: 36085537 PMCID: PMC10119359 DOI: 10.1007/s13311-022-01290-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2022] [Indexed: 01/18/2023] Open
Abstract
The discovery of mutations in LRRK2 and GBA1 that are linked to Parkinson's disease provided further evidence that autophagy and lysosome pathways are likely implicated in the pathogenic process. Their protein products are important regulators of lysosome function. LRRK2 has kinase-dependent effects on lysosome activity, autophagic efficacy and lysosomal Ca2+ signaling. Glucocerebrosidase (encoded by GBA1) is a hydrolytic enzyme contained in the lysosomes and contributes to the degradation of alpha-synuclein. PD-related mutations in LRRK2 and GBA1 slow the degradation of alpha-synuclein, thus directly implicating the dysfunction of the process in the neuropathology of Parkinson's disease. The development of genetic rodent models of LRRK2 and GBA1 provided hopes of obtaining reliable preclinical models in which to study pathogenic processes and perform drug validation studies. Here, I will review the extensive characterization of these models, their impact on understanding lysosome alterations in the course of Parkinson's disease and what novel insights have been obtained. In addition, I will discuss how these models fare with respect to the features of a "gold standard" animal models and what could be attempted in future studies to exploit LRRK2 and GBA1 rodent models in the fight against Parkinson's disease.
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Affiliation(s)
- Mattia Volta
- Institute for Biomedicine, Eurac Research - Affiliated Institute of the University of Lübeck, via Volta 21, Bolzano, 39100, Italy.
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Cristina Cardia M, Francesca Palmas M, Casula L, Pisanu A, Marceddu S, Valenti D, Sinico C, Pini E, Scerba MT, Tweedie D, Greig NH, Rosa Carta A, Lai F. Nanocrystals as an effective strategy to improve Pomalidomide bioavailability in rodent. Int J Pharm 2022; 625:122079. [PMID: 35932932 DOI: 10.1016/j.ijpharm.2022.122079] [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: 02/16/2022] [Revised: 06/14/2022] [Accepted: 08/01/2022] [Indexed: 10/16/2022]
Abstract
Pomalidomide (POM) is an FDA-approved immunomodulatory imide drug (IMiDs) an it is effectively used in the treatment of multiple myeloma. IMiDs are analogs of the drug thalidomide and they have been repurposed for the treatment of several diseases such as psoriatic arthritis and Kaposi Sarcoma. In recent years, IMiDs have been also evaluated as a new treatment for neurological disorders with an inflammatory and neuroinflammatory component. POM draws particular interest for its potent anti-TNF-α activity at significantly lower concentrations than the parent compound thalidomide. However, POM's low water solubility underpins its low gastrointestinal permeability resulting in irregular and poor absorption. The purpose of this work was to prepare a POM nanocrystal-based formulation that could efficiently improve POM's plasma and brain concentration after intraperitoneal injection. POM nanocrystals prepared as a nanosuspension by the media milling method showed a mean diameter of 219 nm and a polydispersity index of 0.21. POM's nanocrystal solubility value (22.97 µg/mL) in phosphate buffer was about 1.58 folds higher than the POM raw powder. Finally, in vivo studies conducted in adult Male Sprague-Dawley rats indicated that POM nanocrystal ensured higher and longer-lasting drug levels in plasma and brain when compared with POM coarse suspension.
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Affiliation(s)
- Maria Cristina Cardia
- Department of Life and Environmental Sciences, Unit of Drug Sciences, University of Cagliari, Cagliari, Italy
| | | | - Luca Casula
- Department of Life and Environmental Sciences, Unit of Drug Sciences, University of Cagliari, Cagliari, Italy
| | - Augusta Pisanu
- National Research Council, Institute of Neuroscience, Cagliari, Italy
| | - Salvatore Marceddu
- Institute of Sciences of Food Production (ISPA-CNR), Baldinca (Sassari), Italy
| | - Donatella Valenti
- Department of Life and Environmental Sciences, Unit of Drug Sciences, University of Cagliari, Cagliari, Italy
| | - Chiara Sinico
- Department of Life and Environmental Sciences, Unit of Drug Sciences, University of Cagliari, Cagliari, Italy
| | - Elena Pini
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Italy
| | - Michael T Scerba
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Nigel H Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Anna Rosa Carta
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
| | - Francesco Lai
- Department of Life and Environmental Sciences, Unit of Drug Sciences, University of Cagliari, Cagliari, Italy.
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Banerjee R, Rai A, Iyer SM, Narwal S, Tare M. Animal models in the study of Alzheimer's disease and Parkinson's disease: A historical perspective. Animal Model Exp Med 2022; 5:27-37. [PMID: 35229999 PMCID: PMC8879627 DOI: 10.1002/ame2.12209] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/20/2021] [Accepted: 01/10/2022] [Indexed: 12/12/2022] Open
Abstract
Alzheimer's disease and Parkinson's disease are two of the most prevalent and disabling neurodegenerative diseases globally. Both are proteinopathic conditions and while occasionally inherited, are largely sporadic in nature. Although the advances in our understanding of the two have been significant, they are far from complete and neither diagnosis nor the current practices in treatment and rehabilitation is adequately helpful. Animal models have historically found application as testing beds for novel therapeutics and continue to be valuable aids in pharmacological research. This review chronicles the development of those models in the context of Alzheimer's and Parkinson's disease, and highlights the shifting paradigms in studying two human-specific conditions in non-human organisms.
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Affiliation(s)
- Rajashree Banerjee
- Department of Biological SciencesBirla Institute of Technology and SciencePilaniIndia
| | - Arushi Rai
- Department of Biological SciencesBirla Institute of Technology and SciencePilaniIndia
| | - Shreyas M. Iyer
- Department of Biological SciencesBirla Institute of Technology and SciencePilaniIndia
| | - Sonia Narwal
- Department of Biological SciencesBirla Institute of Technology and SciencePilaniIndia
| | - Meghana Tare
- Department of Biological SciencesBirla Institute of Technology and SciencePilaniIndia
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Devi S, Chaturvedi M, Fatima S, Priya S. Environmental factors modulating protein conformations and their role in protein aggregation diseases. Toxicology 2022; 465:153049. [PMID: 34818560 DOI: 10.1016/j.tox.2021.153049] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/12/2021] [Accepted: 11/20/2021] [Indexed: 12/13/2022]
Abstract
The adverse physiological conditions have been long known to impact protein synthesis, folding and functionality. Major physiological factors such as the effect of pH, temperature, salt and pressure are extensively studied for their impact on protein structure and homeostasis. However, in the current scenario, the environmental risk factors (pollutants) have gained impetus in research because of their increasing concentrations in the environment and strong epidemiologic link with protein aggregation disorders. Here, we review the physiological and environmental risk factors for their impact on protein conformational changes, misfolding, aggregation, and associated pathological conditions, especially environmental risk factors associated pathologies.
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Affiliation(s)
- Shweta Devi
- Systems Toxicology and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, CSIR-Indian Institute of Toxicology Research, Lucknow-226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Minal Chaturvedi
- Systems Toxicology and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, CSIR-Indian Institute of Toxicology Research, Lucknow-226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Siraj Fatima
- Systems Toxicology and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, CSIR-Indian Institute of Toxicology Research, Lucknow-226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Smriti Priya
- Systems Toxicology and Health Risk Assessment Group, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, CSIR-Indian Institute of Toxicology Research, Lucknow-226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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8
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Palmas MF, Ena A, Burgaletto C, Casu MA, Cantarella G, Carboni E, Etzi M, De Simone A, Fusco G, Cardia MC, Lai F, Picci L, Tweedie D, Scerba MT, Coroneo V, Bernardini R, Greig NH, Pisanu A, Carta AR. Repurposing Pomalidomide as a Neuroprotective Drug: Efficacy in an Alpha-Synuclein-Based Model of Parkinson's Disease. Neurotherapeutics 2022; 19:305-324. [PMID: 35072912 PMCID: PMC9130415 DOI: 10.1007/s13311-022-01182-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/24/2021] [Indexed: 12/17/2022] Open
Abstract
Marketed drugs for Parkinson's disease (PD) treat disease motor symptoms but are ineffective in stopping or slowing disease progression. In the quest of novel pharmacological approaches that may target disease progression, drug-repurposing provides a strategy to accelerate the preclinical and clinical testing of drugs already approved for other medical indications. Here, we targeted the inflammatory component of PD pathology, by testing for the first time the disease-modifying properties of the immunomodulatory imide drug (IMiD) pomalidomide in a translational rat model of PD neuropathology based on the intranigral bilateral infusion of toxic preformed oligomers of human α-synuclein (H-αSynOs). The neuroprotective effect of pomalidomide (20 mg/kg; i.p. three times/week 48 h apart) was tested in the first stage of disease progression by means of a chronic two-month administration, starting 1 month after H-αSynOs infusion, when an already ongoing neuroinflammation is observed. The intracerebral infusion of H-αSynOs induced an impairment in motor and coordination performance that was fully rescued by pomalidomide, as assessed via a battery of motor tests three months after infusion. Moreover, H-αSynOs-infused rats displayed a 40-45% cell loss within the bilateral substantia nigra, as measured by stereological counting of TH + and Nissl-stained neurons, that was largely abolished by pomalidomide. The inflammatory response to H-αSynOs infusion and the pomalidomide treatment was evaluated both in CNS affected areas and peripherally in the serum. A reactive microgliosis, measured as the volume occupied by the microglial marker Iba-1, was present in the substantia nigra three months after H-αSynOs infusion as well as after H-αSynOs plus pomalidomide treatment. However, microglia differed for their phenotype among experimental groups. After H-αSynOs infusion, microglia displayed a proinflammatory profile, producing a large amount of the proinflammatory cytokine TNF-α. In contrast, pomalidomide inhibited the TNF-α overproduction and elevated the anti-inflammatory cytokine IL-10. Moreover, the H-αSynOs infusion induced a systemic inflammation with overproduction of serum proinflammatory cytokines and chemokines, that was largely mitigated by pomalidomide. Results provide evidence of the disease modifying potential of pomalidomide in a neuropathological rodent model of PD and support the repurposing of this drug for clinical testing in PD patients.
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Affiliation(s)
| | - Anna Ena
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Chiara Burgaletto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | | | - Giuseppina Cantarella
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Ezio Carboni
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Michela Etzi
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Alfonso De Simone
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Giuliana Fusco
- Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Maria Cristina Cardia
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Francesco Lai
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Luca Picci
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, National Institute On Aging, National Institutes of Health, Baltimore, MD, USA
| | - Michael T Scerba
- Drug Design & Development Section, Translational Gerontology Branch, National Institute On Aging, National Institutes of Health, Baltimore, MD, USA
| | - Valentina Coroneo
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Renato Bernardini
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Nigel H Greig
- Drug Design & Development Section, Translational Gerontology Branch, National Institute On Aging, National Institutes of Health, Baltimore, MD, USA
| | - Augusta Pisanu
- National Research Council, Institute of Neuroscience, Cagliari, Italy.
| | - Anna R Carta
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
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Chandran V, Grosset DG. Disease modifying treatments for Parkinson’s disease – an update. ADVANCES IN CLINICAL NEUROSCIENCE & REHABILITATION 2021. [DOI: 10.47795/jhqt7239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An improved understanding of the pathological processes leading to neurodegeneration in Parkinson’s disease (PD) is leading to the development of a number of disease modifying agents. These include both novel and repurposed drugs. Some of these disease modifying therapies act on cellular targets that have been identified by genetic mutations, while others act on other cellular process which we know are affected in PD. This review provides an update on the progress in the field, and highlights some areas of special interest.
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10
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Sanchiz-Calvo M, Bentea E, Baekelandt V. Rodent models based on endolysosomal genes involved in Parkinson's disease. Curr Opin Neurobiol 2021; 72:55-62. [PMID: 34628360 DOI: 10.1016/j.conb.2021.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/07/2021] [Indexed: 11/03/2022]
Abstract
Genes associated with endolysosomal function have been recently associated with familial Parkinson's disease and described as risk factors for sporadic cases. This indicates that deficits in this pathway predispose to parkinsonism. To better understand the role of these genes in disease development, rodent models have been created by targeting genes playing a role in endolysosomal function, such as LRRK2, DNAJC6, SYNJ1, VPS35, GBA1, ATP13A2 and TMEM175. Here, we review the latest findings describing parkinsonian features in these animal models secondary to endolysosomal dysfunction. Also, we provide suggestions for further development and application of these animal models to better understand the contribution of endolysosomal dysfunction in Parkinson's disease and provide novel models for testing therapeutic approaches.
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Affiliation(s)
- María Sanchiz-Calvo
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, Leuven Brain Institute, KU Leuven, Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Eduard Bentea
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, Leuven Brain Institute, KU Leuven, Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Veerle Baekelandt
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, Leuven Brain Institute, KU Leuven, Leuven, Belgium; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
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11
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Chandler R, Cogo S, Lewis P, Kevei E. Modelling the functional genomics of Parkinson's disease in Caenorhabditis elegans: LRRK2 and beyond. Biosci Rep 2021; 41:BSR20203672. [PMID: 34397087 PMCID: PMC8415217 DOI: 10.1042/bsr20203672] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 08/03/2021] [Accepted: 08/13/2021] [Indexed: 12/12/2022] Open
Abstract
For decades, Parkinson's disease (PD) cases have been genetically categorised into familial, when caused by mutations in single genes with a clear inheritance pattern in affected families, or idiopathic, in the absence of an evident monogenic determinant. Recently, genome-wide association studies (GWAS) have revealed how common genetic variability can explain up to 36% of PD heritability and that PD manifestation is often determined by multiple variants at different genetic loci. Thus, one of the current challenges in PD research stands in modelling the complex genetic architecture of this condition and translating this into functional studies. Caenorhabditis elegans provide a profound advantage as a reductionist, economical model for PD research, with a short lifecycle, straightforward genome engineering and high conservation of PD relevant neural, cellular and molecular pathways. Functional models of PD genes utilising C. elegans show many phenotypes recapitulating pathologies observed in PD. When contrasted with mammalian in vivo and in vitro models, these are frequently validated, suggesting relevance of C. elegans in the development of novel PD functional models. This review will discuss how the nematode C. elegans PD models have contributed to the uncovering of molecular and cellular mechanisms of disease, with a focus on the genes most commonly found as causative in familial PD and risk factors in idiopathic PD. Specifically, we will examine the current knowledge on a central player in both familial and idiopathic PD, Leucine-rich repeat kinase 2 (LRRK2) and how it connects to multiple PD associated GWAS candidates and Mendelian disease-causing genes.
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Affiliation(s)
| | - Susanna Cogo
- School of Biological Sciences, University of Reading, Reading, RG6 6AH, U.K
- Department of Biology, University of Padova, Padova, Via Ugo Bassi 58/B, 35121, Italy
| | - Patrick A. Lewis
- Royal Veterinary College, University of London, London, NW1 0TU, U.K
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, U.K
| | - Eva Kevei
- School of Biological Sciences, University of Reading, Reading, RG6 6AH, U.K
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12
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Behl T, Kaur G, Sehgal A, Singh S, Bhatia S, Al-Harrasi A, Zengin G, Bungau SG, Munteanu MA, Brisc MC, Andronie-Cioara FL, Brisc C. Elucidating the Multi-Targeted Role of Nutraceuticals: A Complementary Therapy to Starve Neurodegenerative Diseases. Int J Mol Sci 2021; 22:4045. [PMID: 33919895 PMCID: PMC8070907 DOI: 10.3390/ijms22084045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/09/2021] [Accepted: 04/13/2021] [Indexed: 12/13/2022] Open
Abstract
The mechanisms underlying multifactorial diseases are always complex and challenging. Neurodegenerative disorders (NDs) are common around the globe, posing a critical healthcare issue and financial burden to the country. However, integrative evidence implies some common shared mechanisms and pathways in NDs, which include mitochondrial dysfunction, neuroinflammation, oxidative stress, intracellular calcium overload, protein aggregates, oxidative stress (OS), and neuronal destruction in specific regions of the brain, owing to multifaceted pathologies. The co-existence of these multiple pathways often limits the advantages of available therapies. The nutraceutical-based approach has opened the doors to target these common multifaceted pathways in a slow and more physiological manner to starve the NDs. Peer-reviewed articles were searched via MEDLINE and PubMed published to date for in-depth research and database collection. Considered to be complementary therapy with current clinical management and common drug therapy, the intake of nutraceuticals is considered safe to target multiple mechanisms of action in NDs. The current review summarizes the popular nutraceuticals showing different effects (anti-inflammatory, antioxidant, neuro-protectant, mitochondrial homeostasis, neurogenesis promotion, and autophagy regulation) on vital molecular mechanisms involved in NDs, which can be considered as complementary therapy to first-line treatment. Moreover, owing to its natural source, lower toxicity, therapeutic interventions, biocompatibility, potential nutritional effects, and presence of various anti-oxidative and neuroprotective constituents, the nutraceuticals serve as an attractive option to tackle NDs.
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Affiliation(s)
- Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Chandigarh 160009, India; (T.B.); (G.K.); (A.S.); (S.S.)
| | - Gagandeep Kaur
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Chandigarh 160009, India; (T.B.); (G.K.); (A.S.); (S.S.)
| | - Aayush Sehgal
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Chandigarh 160009, India; (T.B.); (G.K.); (A.S.); (S.S.)
| | - Sukhbir Singh
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Chandigarh 160009, India; (T.B.); (G.K.); (A.S.); (S.S.)
| | - Saurabh Bhatia
- Natural and Medical Sciences Research Center, University of Nizwa, 616 Birkat Al Mauz, P.O. Box 33, Nizwa, Oman; (S.B.); (A.A.-H.)
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, 616 Birkat Al Mauz, P.O. Box 33, Nizwa, Oman; (S.B.); (A.A.-H.)
| | - Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk University Campus, Konya 42130, Turkey;
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Mihai Alexandru Munteanu
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (M.A.M.); (M.C.B.); (C.B.)
| | - Mihaela Cristina Brisc
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (M.A.M.); (M.C.B.); (C.B.)
| | - Felicia Liana Andronie-Cioara
- Department of Psycho-Neuroscience and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
| | - Ciprian Brisc
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (M.A.M.); (M.C.B.); (C.B.)
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13
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Jung YJ, Tweedie D, Scerba MT, Kim DS, Palmas MF, Pisanu A, Carta AR, Greig NH. Repurposing Immunomodulatory Imide Drugs (IMiDs) in Neuropsychiatric and Neurodegenerative Disorders. Front Neurosci 2021; 15:656921. [PMID: 33854417 PMCID: PMC8039148 DOI: 10.3389/fnins.2021.656921] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/01/2021] [Indexed: 12/12/2022] Open
Abstract
Neuroinflammation represents a common trait in the pathology and progression of the major psychiatric and neurodegenerative disorders. Neuropsychiatric disorders have emerged as a global crisis, affecting 1 in 4 people, while neurological disorders are the second leading cause of death in the elderly population worldwide (WHO, 2001; GBD 2016 Neurology Collaborators, 2019). However, there remains an immense deficit in availability of effective drug treatments for most neurological disorders. In fact, for disorders such as depression, placebos and behavioral therapies have equal effectiveness as antidepressants. For neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease, drugs that can prevent, slow, or cure the disease have yet to be found. Several non-traditional avenues of drug target identification have emerged with ongoing neurological disease research to meet the need for novel and efficacious treatments. Of these novel avenues is that of neuroinflammation, which has been found to be involved in the progression and pathology of many of the leading neurological disorders. Neuroinflammation is characterized by glial inflammatory factors in certain stages of neurological disorders. Although the meta-analyses have provided evidence of genetic/proteomic upregulation of inflammatory factors in certain stages of neurological disorders. Although the mechanisms underpinning the connections between neuroinflammation and neurological disorders are unclear, and meta-analysis results have shown high sensitivity to factors such as disorder severity and sample type, there is significant evidence of neuroinflammation associations across neurological disorders. In this review, we summarize the role of neuroinflammation in psychiatric disorders such as major depressive disorder, generalized anxiety disorder, post-traumatic stress disorder, and bipolar disorder, as well as in neurodegenerative disorders, such as Parkinson's disease and Alzheimer's disease, and introduce current research on the potential of immunomodulatory imide drugs (IMiDs) as a new treatment strategy for these disorders.
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Affiliation(s)
- Yoo Jin Jung
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
- Stanford Neurosciences Interdepartmental Program, Stanford University School of Medicine, Stanford, CA, United States
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Michael T Scerba
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Dong Seok Kim
- AevisBio, Inc., Gaithersburg, MD, United States
- Aevis Bio, Inc., Daejeon, South Korea
| | | | - Augusta Pisanu
- National Research Council, Institute of Neuroscience, Cagliari, Italy
| | - Anna R Carta
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Nigel H Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
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