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Cardinale A, de Iure A, Picconi B. Neuroinflammation and Dyskinesia: A Possible Causative Relationship? Brain Sci 2024; 14:514. [PMID: 38790492 PMCID: PMC11118841 DOI: 10.3390/brainsci14050514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/14/2024] [Accepted: 05/18/2024] [Indexed: 05/26/2024] Open
Abstract
Levodopa (L-DOPA) treatment represents the gold standard therapy for Parkinson's disease (PD) patients. L-DOPA therapy shows many side effects, among them, L-DOPA-induced dyskinesias (LIDs) remain the most problematic. Several are the mechanisms underlying these processes: abnormal corticostriatal neurotransmission, pre- and post-synaptic neuronal events, changes in gene expression, and altered plasticity. In recent years, researchers have also suggested non-neuronal mechanisms as a possible cause for LIDs. We reviewed recent clinical and pre-clinical studies on neuroinflammation contribution to LIDs. Microglia and astrocytes seem to play a strategic role in LIDs phenomenon. In particular, their inflammatory response affects neuron-glia communication, synaptic activity and neuroplasticity, contributing to LIDs development. Finally, we describe possible new therapeutic interventions for dyskinesia prevention targeting glia cells.
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Affiliation(s)
- Antonella Cardinale
- Experimental Neurophysiology Laboratory, IRCCS San Raffaele Roma, 00166 Rome, Italy; (A.C.); (A.d.I.)
- Department of Human Sciences and Quality of Life Promotion, Università Telematica San Raffaele, 00166 Rome, Italy
| | - Antonio de Iure
- Experimental Neurophysiology Laboratory, IRCCS San Raffaele Roma, 00166 Rome, Italy; (A.C.); (A.d.I.)
- Department of Human Sciences and Quality of Life Promotion, Università Telematica San Raffaele, 00166 Rome, Italy
| | - Barbara Picconi
- Experimental Neurophysiology Laboratory, IRCCS San Raffaele Roma, 00166 Rome, Italy; (A.C.); (A.d.I.)
- Department of Human Sciences and Quality of Life Promotion, Università Telematica San Raffaele, 00166 Rome, Italy
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Lo Piccolo L, Yeewa R, Pohsa S, Yamsri T, Calovi D, Phetcharaburanin J, Suksawat M, Kulthawatsiri T, Shotelersuk V, Jantrapirom S. FAME4-associating YEATS2 knockdown impairs dopaminergic synaptic integrity and leads to seizure-like behaviours in Drosophila melanogaster. Prog Neurobiol 2024; 233:102558. [PMID: 38128822 DOI: 10.1016/j.pneurobio.2023.102558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 10/25/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
Familial adult myoclonus epilepsy (FAME) is a neurological disorder caused by a TTTTA/TTTCA intronic repeat expansion. FAME4 is one of the six types of FAME that results from the repeat expansion in the first intron of the gene YEATS2. Although the RNA toxicity is believed to be the primary mechanism underlying FAME, the role of genes where repeat expansions reside is still unclear, particularly in the case of YEATS2 in neurons. This study used Drosophila to explore the effects of reducing YEATS2 expression. Two pan-neuronally driven dsDNA were used for knockdown of Drosophila YEATS2 (dYEATS2), and the resulting molecular and behavioural outcomes were evaluated. Drosophila with reduced dYEATS2 expression exhibited decreased tolerance to acute stress, disturbed locomotion, abnormal social behaviour, and decreased motivated activity. Additionally, reducing dYEATS2 expression negatively affected tyrosine hydroxylase (TH) gene expression, resulting in decreased dopamine biosynthesis. Remarkably, seizure-like behaviours induced by knocking down dYEATS2 were rescued by the administration of L-DOPA. This study reveals a novel role of YEATS2 in neurons in regulating acute stress responses, locomotion, and complex behaviours, and suggests that haploinsufficiency of YEATS2 may play a role in FAME4.
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Affiliation(s)
- Luca Lo Piccolo
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Ranchana Yeewa
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sureena Pohsa
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Titaree Yamsri
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Daniel Calovi
- Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany; Department of Collective Behaviour, Max Planck Institute of Animal Behaviour, Konstanz, Germany
| | - Jutarop Phetcharaburanin
- International Phenome Laboratory, Khon Kaen University, Khon Kaen, Thailand; Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Manida Suksawat
- International Phenome Laboratory, Khon Kaen University, Khon Kaen, Thailand; Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Thanaporn Kulthawatsiri
- International Phenome Laboratory, Khon Kaen University, Khon Kaen, Thailand; Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Vorasuk Shotelersuk
- Centre of Excellence for Medical Genomics, Medical Genomics Cluster, Department of Paediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Excellence Centre for Genomics and Precision Medicine, King Chulalongkorn Memorial Hospital, the Thai Red Cross Society, Bangkok, Thailand.
| | - Salinee Jantrapirom
- Drosophila Centre for Human Diseases and Drug Discovery (DHD), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
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Lee D, Yoon E, Ham SJ, Lee K, Jang H, Woo D, Lee DH, Kim S, Choi S, Chung J. Diabetic sensory neuropathy and insulin resistance are induced by loss of UCHL1 in Drosophila. Nat Commun 2024; 15:468. [PMID: 38212312 PMCID: PMC10784524 DOI: 10.1038/s41467-024-44747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 12/29/2023] [Indexed: 01/13/2024] Open
Abstract
Diabetic sensory neuropathy (DSN) is one of the most common complications of type 2 diabetes (T2D), however the molecular mechanistic association between T2D and DSN remains elusive. Here we identify ubiquitin C-terminal hydrolase L1 (UCHL1), a deubiquitinase highly expressed in neurons, as a key molecule underlying T2D and DSN. Genetic ablation of UCHL1 leads to neuronal insulin resistance and T2D-related symptoms in Drosophila. Furthermore, loss of UCHL1 induces DSN-like phenotypes, including numbness to external noxious stimuli and axonal degeneration of sensory neurons in flies' legs. Conversely, UCHL1 overexpression improves DSN-like defects of T2D model flies. UCHL1 governs insulin signaling by deubiquitinating insulin receptor substrate 1 (IRS1) and antagonizes an E3 ligase of IRS1, Cullin 1 (CUL1). Consistent with these results, genetic and pharmacological suppression of CUL1 activity rescues T2D- and DSN-associated phenotypes. Therefore, our findings suggest a complete set of genetic factors explaining T2D and DSN, together with potential remedies for the diseases.
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Affiliation(s)
- Daewon Lee
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Eunju Yoon
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Su Jin Ham
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kunwoo Lee
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hansaem Jang
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Daihn Woo
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
| | - Da Hyun Lee
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sehyeon Kim
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sekyu Choi
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
| | - Jongkyeong Chung
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea.
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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