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de Carvalho MB, Teixeira-Silva B, Marques SA, Silva AA, Cossenza M, da Cunha Faria-Melibeu A, Serfaty CA, Campello-Costa P. NMDA receptor remodeling and nNOS activation in mice after unilateral striatal injury with 6-OHDA. Heliyon 2024; 10:e34120. [PMID: 39130441 PMCID: PMC11315104 DOI: 10.1016/j.heliyon.2024.e34120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 06/06/2024] [Accepted: 07/03/2024] [Indexed: 08/13/2024] Open
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by selective dopaminergic loss. Non dopaminergic neurotransmitters such as glutamate are also involved in PD progression. NMDA receptor/postsynaptic density protein 95 (PSD-95)/neuronal nitric oxide synthase (nNOS) activation is involved in neuronal excitability in PD. Here, we are focusing on the evaluating these post-synaptic protein levels in the 6-OHDA model of PD. Adult male C57BL/6 mice subjected to unilateral striatal injury with 6-OHDA were assessed at 1-, 2-, or 4-weeks post-lesion. Animals were subjected to an apomorphine-induced rotation test followed by the analysis of protein content, synaptic structure, and NOx production. All biochemical analysis was performed comparing the control versus lesioned sides of the same animal. 6-OHDA mice exhibited contralateral rotation activity, difficulties in coordinating movements, and changes in Iba-1 and glial fibrillary acidic protein (GFAP) expression during the whole period. At one week of survival, the mice showed a shift in NMDA composition, favoring the GluN2A subunit and increased PSD95 and nNOS expression and NOx formation. After two-weeks, a decrease in the total number of synapses was observed in the lesioned side. However, the number of excitatory synapses was increased with a higher content of GluN1 subunit and PSD95. After four weeks, NMDA receptor subunits restored to control levels. Interestingly, NOx formation in the serum increased. This study reveals, for the first time, the temporal course of behavioral deficits and glutamatergic synaptic plasticity through NMDAr subunit shift. Together, these data demonstrate that dopamine depletion leads to a fine adaptive response over time, which can be used for further studies of therapeutic management adjustments with the progression of PD.
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Affiliation(s)
- Michele Barboza de Carvalho
- Laboratory of Neuroplasticity, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Bruna Teixeira-Silva
- Laboratory of Neuroplasticity, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Suelen Adriani Marques
- Laboratory of Neural Regeneration and Function, Department of Neurobiology, Federal Fluminense University, Niteroi, RJ, Brazil
- Postgraduate School in Pathological Anatomy, Federal University of the State of Rio de Janeiro, Brazil
| | - Andrea Alice Silva
- Multiuser Laboratory for Research Support in Nephrology and Medical Sciences (LAMAP), Graduate Program in Pathology, Faculty of Medicine, Universidade Federal Fluminense, Niterói, 24033-900, Rio de Janeiro, Brazil
| | - Marcelo Cossenza
- Laboratory of Molecular Pharmacology, Physiology and Pharmacology Department, Biomedical Institute, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Adriana da Cunha Faria-Melibeu
- Laboratory of Neurobiology of Development, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Claudio Alberto Serfaty
- Laboratory of Neural Plasticity, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Paula Campello-Costa
- Laboratory of Neuroplasticity, Postgraduate Program in Neurosciences, Biology Institute, Fluminense Federal University, Niteroi, RJ, Brazil
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Okitsu M, Fujita M, Moriya Y, Kotajima-Murakami H, Ide S, Kojima R, Sekiyama K, Takahashi K, Ikeda K. Mouse Model of Parkinson's Disease with Bilateral Dorsal Striatum Lesion with 6-Hydroxydopamine Exhibits Cognitive Apathy-like Behavior. Int J Mol Sci 2024; 25:7993. [PMID: 39063235 PMCID: PMC11276653 DOI: 10.3390/ijms25147993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Revised: 07/11/2024] [Accepted: 07/18/2024] [Indexed: 07/28/2024] Open
Abstract
Among the symptoms of Parkinson's disease (PD), apathy comprises a set of behavioral, affective, and cognitive features that can be classified into several subtypes. However, the pathophysiology and brain regions that are involved in these different apathy subtypes are still poorly characterized. We examined which subtype of apathy is elicited in a mouse model of PD with 6-hydroxydopamine (6-OHDA) lesions and the behavioral symptoms that are exhibited. Male C57/BL6J mice were allocated to sham (n = 8) and 6-OHDA (n = 13) groups and locally injected with saline or 4 µg 6-OHDA bilaterally in the dorsal striatum. We then conducted motor performance tests and apathy-related behavioral experiments. We then pathologically evaluated tyrosine hydroxylase (TH) immunostaining. The 6-OHDA group exhibited significant impairments in motor function. In the behavioral tests of apathy, significant differences were observed between the sham and 6-OHDA groups in the hole-board test and novelty-suppressed feeding test. The 6-OHDA group exhibited impairments in inanimate novel object preference, whereas social preference was maintained in the three-chamber test. The number of TH+ pixels in the caudate putamen and substantia nigra compacta was significantly reduced in the 6-OHDA group. The present mouse model of PD predominantly showed dorsal striatum dopaminergic neuronal loss and a decrease in novelty seeking as a symptom that is related to the cognitive apathy component.
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Affiliation(s)
- Masato Okitsu
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
- Department of Neurology, Tokyo Metropolitan Neurological Hospital, Tokyo 183-0042, Japan;
| | - Masayo Fujita
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
| | - Yuki Moriya
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
| | - Hiroko Kotajima-Murakami
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
| | - Soichiro Ide
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
| | - Rika Kojima
- Laboratory of Molecular Pathology and Histology, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (R.K.); (K.S.)
| | - Kazunari Sekiyama
- Laboratory of Molecular Pathology and Histology, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (R.K.); (K.S.)
| | - Kazushi Takahashi
- Department of Neurology, Tokyo Metropolitan Neurological Hospital, Tokyo 183-0042, Japan;
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; (M.O.); (M.F.); (Y.M.); (H.K.-M.); (S.I.)
- Department of Neuropsychopharmacology, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo 187-8553, Japan
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Ovlyakulov B, Hu BL, Kan HY, Guo Q, Li XF, Fan HH, Wu HM, Wang JY, Zhang X, Zhu JH. Escitalopram moderately outperforms citalopram towards anti-neuroinflammation and neuroprotection in 6-hydroxydopamine-induced mouse model of Parkinson's disease. Int Immunopharmacol 2024; 139:112715. [PMID: 39032471 DOI: 10.1016/j.intimp.2024.112715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/02/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
Citalopram and escitalopram are structurally close-related antidepressants and both forms are widely used in the world. We aimed to comparatively evaluate the anti-neuroinflammatory and neuroprotective effects of escitalopram and citalopram in Parkinson's disease (PD) mouse model. Mice were randomly divided into six groups and received 6-hydroxydopamine (6-OHDA) or vehicle administration. The mice were then treated with escitalopram, citalopram or saline for consecutive 7 days. Behaviors, neuroinflammation, neurotransmitters, and neurotoxicity were assessed. Results showed that citalopram but not escitalopram worsened body weight loss and increased freezing time in the PD mice. Both drugs had no impact on the anxiety-like behaviors but ameliorated the depressive-like behaviors as in elevated plus maze and sucrose splash tests. Escitalopram but not citalopram ameliorated motor discoordination in the PD mice as in rotarod test. In accordance, escitalopram but not citalopram attenuated the 6-OHDA-induced nigrostriatal dopaminergic loss. Further mechanistic investigations showed that both drugs mitigated activations of microglia and astrocytes and/or levels of pro-inflammatory cytokines in the PD mice, but escitalopram showed appreciably better effects in the substantia nigra. Neurotransmitter examination in the prefrontal cortex suggested that the two drugs had comparable effects on the disturbed neurotransmitters in the PD mice, but citalopram was prone to disrupt certain normal homeostasis. In conclusion, escitalopram is moderately superior than citalopram to suppress neuroinflammation and to protect against dopaminergic neuronal death and motor discoordination in the 6-OHDA-induced PD mice. Our findings imply that escitalopram shall be prescribed with priority over citalopram to treat PD patients with depression as escitalopram may meanwhile provide greater additional benefits to the patients.
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Affiliation(s)
- Begench Ovlyakulov
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China; Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Bei-Lei Hu
- Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hong-Yang Kan
- Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qing Guo
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiao-Fen Li
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hui-Hui Fan
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hong-Mei Wu
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian-Yong Wang
- Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiong Zhang
- Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Jian-Hong Zhu
- Department of Preventive Medicine and Institute of Nutrition and Diseases, School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang, China; Department of Neurology and Institute of Geriatric Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Ahmed MR, Zheng C, Dunning JL, Ahmed MS, Ge C, Pair FS, Gurevich VV, Gurevich EV. Arrestin-3-assisted activation of JNK3 mediates dopaminergic behavioral sensitization. Cell Rep Med 2024; 5:101623. [PMID: 38936368 PMCID: PMC11293330 DOI: 10.1016/j.xcrm.2024.101623] [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: 11/08/2023] [Revised: 04/15/2024] [Accepted: 06/05/2024] [Indexed: 06/29/2024]
Abstract
In rodents with unilateral ablation of neurons supplying dopamine to the striatum, chronic treatment with the dopamine precursor L-DOPA induces a progressive increase of behavioral responses, a process known as behavioral sensitization. This sensitization is blunted in arrestin-3 knockout mice. Using virus-mediated gene delivery to the dopamine-depleted striatum of these mice, we find that the restoration of arrestin-3 fully rescues behavioral sensitization, whereas its mutant defective in c-Jun N-terminal kinase (JNK) activation does not. A 25-residue arrestin-3-derived peptide that facilitates JNK3 activation in cells, expressed ubiquitously or selectively in direct pathway striatal neurons, also fully rescues sensitization, whereas an inactive homologous arrestin-2-derived peptide does not. Behavioral rescue is accompanied by the restoration of JNK3 activity, as reflected by JNK-dependent phosphorylation of the transcription factor c-Jun in the dopamine-depleted striatum. Thus, arrestin-3-assisted JNK3 activation in direct pathway neurons is a critical element of the molecular mechanism underlying sensitization upon dopamine depletion and chronic L-DOPA treatment.
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Affiliation(s)
- Mohamed R Ahmed
- Department of Pharmacology, Vanderbilt University, 2200 Pierce Avenue, PRB422, Nashville, TN 37232, USA; University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA; The University of Alabama at Birmingham, SHEL 121, 1825 University Boulevard, Birmingham, AL 35294-2182, USA
| | - Chen Zheng
- Department of Pharmacology, Vanderbilt University, 2200 Pierce Avenue, PRB422, Nashville, TN 37232, USA
| | - Jeffery L Dunning
- Contet Laboratory, Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Mohamed S Ahmed
- Department of Pharmacology, Vanderbilt University, 2200 Pierce Avenue, PRB422, Nashville, TN 37232, USA
| | - Connie Ge
- University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA
| | - F Sanders Pair
- The University of Alabama at Birmingham, SHEL 121, 1825 University Boulevard, Birmingham, AL 35294-2182, USA
| | - Vsevolod V Gurevich
- Department of Pharmacology, Vanderbilt University, 2200 Pierce Avenue, PRB422, Nashville, TN 37232, USA
| | - Eugenia V Gurevich
- Department of Pharmacology, Vanderbilt University, 2200 Pierce Avenue, PRB422, Nashville, TN 37232, USA.
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Marques CR, Campos J, Sampaio-Marques B, Antunes FF, Dos Santos Cunha RM, Silva D, Barata-Antunes S, Lima R, Fernandes-Platzgummer A, da Silva CL, Sousa RA, Salgado AJ. Secretome of bone marrow mesenchymal stromal cells cultured in a dynamic system induces neuroprotection and modulates microglial responsiveness in an α-synuclein overexpression rat model. Cytotherapy 2024; 26:700-713. [PMID: 38483360 DOI: 10.1016/j.jcyt.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/12/2024] [Accepted: 02/12/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND AIMS Parkinson's disease (PD) is the second most common neurodegenerative disorder. The etiology of the disease remains largely unknown, but evidence have suggested that the overexpression and aggregation of alpha-synuclein (α-syn) play key roles in the pathogenesis and progression of PD. Mesenchymal stromal cells (MSCs) have been earning attention in this field, mainly due to their paracrine capacity. The bioactive molecules secreted by MSCs, i.e. their secretome, have been associated with enhanced neuronal survival as well as a strong modulatory capacity of the microenvironments where the disease develops. The selection of the appropriate animal model is crucial in studies of efficacy assessment. Given the involvement of α-syn in the pathogenesis of PD, the evidence generated from the use of animal models that develop a pathologic phenotype due to the action of this protein is extremely valuable. Therefore, in this work, we established an animal model based on the viral vector-mediated overexpression of A53T α-syn and studied the impact of the secretome of bone marrow mesenchymal stromal cells MSC(M) as a therapeutic strategy. METHODS Adult male rats were subjected to α-syn over expression in the nigrostriatal pathway to model dopaminergic neurodegeneration. The impact of locally administered secretome treatment from MSC(M) was studied. Motor impairments were assessed throughout the study coupled with whole-region (striatum and substantia nigra) confocal microscopy evaluation of histopathological changes associated with dopaminergic neurodegeneration and glial cell reactivity. RESULTS Ten weeks after lesion induction, the animals received secretome injections in the substantia nigra pars compacta (SNpc) and striatum (STR). The secretome used was produced from bone marrow mesenchymal stromal cells MSC(M) expanded in a spinner flask (SP) system. Nine weeks later, animals that received the viral vector containing the gene for A53T α-syn and treated with vehicle (Neurobasal-A medium) presented dopaminergic cell loss in the SNpc and denervation in the STR. The treatment with secretome significantly reduced the levels of α-syn in the SNpc and protected the dopaminergic neurons (DAn) within the SNpc and STR. CONCLUSIONS Our results are aligned with previous studies in both α-syn Caenorhabditis elegans models, as well as 6-OHDA rodent model, revealing that secretome exerted a neuroprotective effect. Moreover, these effects were associated with a modulation of microglial reactivity supporting an immunomodulatory role for the factors contained within the secretome. This further supports the development of new studies exploring the effects and the mechanism of action of secretome from MSC(M) against α-syn-induced neurotoxicity.
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Affiliation(s)
- Cláudia Raquel Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Jonas Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Belém Sampaio-Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Filipa Ferreira Antunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Raquel Medina Dos Santos Cunha
- Department of Bioengineering and iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Deolinda Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Sandra Barata-Antunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui Lima
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Ana Fernandes-Platzgummer
- Department of Bioengineering and iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Cláudia L da Silva
- Department of Bioengineering and iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Rui Amandi Sousa
- Stemmatters, Biotecnologia e Medicina Regenerativa S.A., Barco, Portugal
| | - António José Salgado
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS-3Bs PT Government Associate Laboratory, Braga, Guimarães, Portugal.
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Leow DMK, Cheah IKM, Chen L, Ng YK, Yeo CJJ, Halliwell B, Ong WY. Ergothioneine-Mediated Neuroprotection of Human iPSC-Derived Dopaminergic Neurons. Antioxidants (Basel) 2024; 13:693. [PMID: 38929132 PMCID: PMC11200999 DOI: 10.3390/antiox13060693] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Cell death involving oxidative stress and mitochondrial dysfunction is a major cause of dopaminergic neuronal loss in the substantia nigra (SN) of Parkinson's disease patients. Ergothioneine (ET), a natural dietary compound, has been shown to have cytoprotective functions, but neuroprotective actions against PD have not been well established. 6-Hydroxydopamine (6-OHDA) is a widely used neurotoxin to simulate the degeneration of dopaminergic (DA) neurons in Parkinson's disease. In this study, we investigated the protective effect of ET on 6-OHDA treated iPSC-derived dopaminergic neurons (iDAs) and further confirmed the protective effects in 6-OHDA-treated human neuroblastoma SH-SY5Y cells. In 6-OHDA-treated cells, decreased mitochondrial membrane potential (ΔΨm), increased mitochondrial reactive oxygen species (mROS), reduced cellular ATP levels, and increased total protein carbonylation levels were observed. 6-OHDA treatment also significantly decreased tyrosine hydroxylase levels. These effects were significantly decreased when ET was present. Verapamil hydrochloride (VHCL), a non-specific inhibitor of the ET transporter OCTN1 abrogated ET's cytoprotective effects, indicative of an intracellular action. These results suggest that ET could be a potential therapeutic for Parkinson's disease.
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Affiliation(s)
- Damien Meng-Kiat Leow
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117594, Singapore
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Irwin Kee-Mun Cheah
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Lucrecia Chen
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117594, Singapore
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Yang-Kai Ng
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117594, Singapore
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Crystal Jing-Jing Yeo
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore 138673, Singapore
- National Neuroscience Institute (NNI), Singapore 308433, Singapore
- Institute of Education in Healthcare and Medical Sciences, School of Medicine, University of Aberdeen, Aberdeen AB51 7HA, UK
- Department of Neurology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Evanston, IL 60611, USA
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
| | - Barry Halliwell
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Wei-Yi Ong
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117594, Singapore
- Neurobiology Research Programme, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
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Evans WR, Baskar SS, Costa ARCE, Ravoori S, Arigbe A, Huda R. Functional activation of dorsal striatum astrocytes improves movement deficits in hemi-parkinsonian mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.02.587694. [PMID: 38617230 PMCID: PMC11014576 DOI: 10.1101/2024.04.02.587694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Parkinson's disease (PD) is characterized by the degeneration of dopaminergic nigrostriatal inputs, which causes striatal network dysfunction and leads to pronounced motor deficits. Recent evidence highlights astrocytes as a potential local source of striatal network modulation. However, it remains unknown how dopamine loss affects striatal astrocyte activity and whether astrocyte activity regulates behavioral deficits in PD. We addressed these questions by performing astrocyte-specific calcium recordings and manipulations using in vivo fiber photometry and chemogenetics. We find that locomotion elicits astrocyte calcium activity over a slower timescale than neurons. Unilateral dopamine depletion reduced locomotion-related astrocyte responses. Chemogenetic activation facilitated astrocyte activity, and improved asymmetrical motor deficits and open field exploratory behavior in dopamine lesioned mice. Together, our results establish a novel role for functional striatal astrocyte signaling in modulating motor function in PD and highlight non-neuronal targets for potential PD therapeutics.
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Affiliation(s)
- Wesley R. Evans
- WM Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
| | - Sindhuja S. Baskar
- WM Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
| | | | - Sanya Ravoori
- WM Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
| | - Abimbola Arigbe
- WM Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
| | - Rafiq Huda
- WM Keck Center for Collaborative Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway NJ, 08854, USA
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8
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Cui J, Zhao D, Xu M, Li Z, Qian J, Song N, Wang J, Xie J. Characterization of graded 6-Hydroxydopamine unilateral lesion in medial forebrain bundle of mice. Sci Rep 2024; 14:3721. [PMID: 38355892 PMCID: PMC10866897 DOI: 10.1038/s41598-024-54066-0] [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: 11/05/2023] [Accepted: 02/08/2024] [Indexed: 02/16/2024] Open
Abstract
Parkinson's disease (PD) is the second most common age-related neurodegenerative disease, with a progressive loss of dopaminergic cells and fibers. The purpose of this study was to use different doses of 6-hydroxydopamine (6-OHDA) injection into the medial forebrain bundle (MFB) of mice to mimic the different stages of the disease and to characterize in detail their motor and non-motor behavior, as well as neuropathological features in the nigrostriatal pathway. MFB were injected with 0.5 μg, 1 μg, 2 μg of 6-OHDA using a brain stereotaxic technique. 6-OHDA induced mitochondrial damage dose-dependently, as well as substantia nigra pars compacta (SNpc) tyrosine hydroxylase-positive (TH+) cell loss and striatal TH fiber loss. Activation of astrocytes and microglia in the SNpc and striatum were consistently observed at 7 weeks, suggesting a long-term glial response in the nigrostriatal system. Even with a partial or complete denervation of the nigrostriatal pathway, 6-OHDA did not cause anxiety, although depression-like behavior appeared. Certain gait disturbances were observed in 0.5 μg 6-OHDA lesioned mice, and more extensive in 1 μg group. Despite the loss of more neurons from 2 μg 6-OHDA, there was no further impairment in behaviors compared to 1 μg 6-OHDA. Our data have implications that 1 μg 6-OHDA was necessary and sufficient to induce motor and non-motor symptoms in mice, thus a valuable mouse tool to explore disease progression and new treatment in PD.
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Affiliation(s)
- Juntao Cui
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Di Zhao
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China
| | - Manman Xu
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Zheheng Li
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Junliang Qian
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Ning Song
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China.
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China.
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China.
| | - Jun Wang
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China.
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China.
- School of Basic Medicine, Qingdao University, Qingdao, 266071, China.
| | - Junxia Xie
- Institute of Brain Science and Disease, Qingdao University, Qingdao, 266071, China.
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, 266071, China.
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9
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Chaudhary R, Singh R. Therapeutic Viewpoint on Rat Models of Locomotion Abnormalities and Neurobiological Indicators in Parkinson's Disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:488-503. [PMID: 37202886 DOI: 10.2174/1871527322666230518111323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 11/11/2022] [Accepted: 12/02/2022] [Indexed: 05/20/2023]
Abstract
BACKGROUND Locomotion problems in Parkinson's syndrome are still a research and treatment difficulty. With the recent introduction of brain stimulation or neuromodulation equipment that is sufficient to monitor activity in the brain using electrodes placed on the scalp, new locomotion investigations in patients having the capacity to move freely have sprung up. OBJECTIVE This study aimed to find rat models and locomotion-connected neuronal indicators and use them all over a closed-loop system to enhance the future and present treatment options available for Parkinson's disease. METHODS Various publications on locomotor abnormalities, Parkinson's disease, animal models, and other topics have been searched using several search engines, such as Google Scholar, Web of Science, Research Gate, and PubMed. RESULTS Based on the literature, we can conclude that animal models are used for further investigating the locomotion connectivity deficiencies of many biological measuring devices and attempting to address unanswered concerns from clinical and non-clinical research. However, translational validity is required for rat models to contribute to the improvement of upcoming neurostimulation-based medicines. This review discusses the most successful methods for modelling Parkinson's locomotion in rats. CONCLUSION This review article has examined how scientific clinical experiments lead to localised central nervous system injuries in rats, as well as how the associated motor deficits and connection oscillations reflect this. This evolutionary process of therapeutic interventions may help to improve locomotion- based treatment and management of Parkinson's syndrome in the upcoming years.
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Affiliation(s)
- Rishabh Chaudhary
- Department of Pharmacology, Central University of Punjab, Bathinda 151401, India
- Department of Pharmacology, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana 133207, India
| | - Randhir Singh
- Department of Pharmacology, Central University of Punjab, Bathinda 151401, India
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10
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Singh A, Panhelainen A, Reunanen S, Luk KC, Voutilainen MH. Combining fibril-induced alpha-synuclein aggregation and 6-hydroxydopamine in a mouse model of Parkinson's disease and the effect of cerebral dopamine neurotrophic factor on the induced neurodegeneration. Eur J Neurosci 2024; 59:132-153. [PMID: 38072889 DOI: 10.1111/ejn.16196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 01/12/2024]
Abstract
The existent pre-clinical models of Parkinson's disease do not simultaneously recapitulate severe degeneration of dopamine neurons and the occurrence of alpha-synuclein (aSyn) aggregation in one study system. In this study, we injected aSyn pre-formed fibrils (PFF) and 6-hydroxydopamine (6-OHDA) unilaterally into the striatum of C57BL/6 wild-type male mice at an interval of 2 weeks to induce aggregation of aSyn protein and trigger the loss of dopamine neurons simultaneously in one model and studied the behavioural effects of the combination in these mice. 6-OHDA was tested at three different doses, and 2 μg of 6-OHDA combined with PFF-induced aSyn aggregation was found to produce the most optimal disease phenotype. At 14 weeks timepoint, mice injected with a combination of PFF and 6-OHDA sustained significant damage to the nigrostriatal pathway and exhibited aSyn-positive aggregation. Our data suggest that the neurons that formed large aSyn aggregates were particularly vulnerable to 6-OHDA-induced degeneration. We also demonstrate the manifestation of a relatively aggressive pathology in 2- to 4-month-old mice, as compared to younger 7- to 9-week-old ones. Furthermore, cerebral dopamine neurotrophic factor (CDNF) administered intrastriatally rescued dopamine neurons and motor behaviour of the animals to some extent from 6-OHDA toxicity. However, no such effect could be seen in the novel 6-OHDA + PFFs combination model. For the first time, we demonstrate the combined effect of PFF and 6-OHDA simultaneously in one model. We further discuss the scope for further optimizing this combination model to develop it as a promising pre-clinical platform for drug screening and development.
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Affiliation(s)
- Aastha Singh
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Anne Panhelainen
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Saku Reunanen
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Kelvin C Luk
- Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Merja H Voutilainen
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
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11
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Slézia A, Hegedüs P, Rusina E, Lengyel K, Solari N, Kaszas A, Balázsfi D, Botzanowski B, Acerbo E, Missey F, Williamson A, Hangya B. Behavioral, neural and ultrastructural alterations in a graded-dose 6-OHDA mouse model of early-stage Parkinson's disease. Sci Rep 2023; 13:19478. [PMID: 37945922 PMCID: PMC10636184 DOI: 10.1038/s41598-023-46576-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023] Open
Abstract
Studying animal models furthers our understanding of Parkinson's disease (PD) pathophysiology by providing tools to investigate detailed molecular, cellular and circuit functions. Different versions of the neurotoxin-based 6-hydroxydopamine (6-OHDA) model of PD have been widely used in rats. However, these models typically assess the result of extensive and definitive dopaminergic lesions that reflect a late stage of PD, leading to a paucity of studies and a consequential gap of knowledge regarding initial stages, in which early interventions would be possible. Additionally, the better availability of genetic tools increasingly shifts the focus of research from rats to mice, but few mouse PD models are available yet. To address these, we characterize here the behavioral, neuronal and ultrastructural features of a graded-dose unilateral, single-injection, striatal 6-OHDA model in mice, focusing on early-stage changes within the first two weeks of lesion induction. We observed early onset, dose-dependent impairments of overall locomotion without substantial deterioration of motor coordination. In accordance, histological evaluation demonstrated a partial, dose-dependent loss of dopaminergic neurons of substantia nigra pars compacta (SNc). Furthermore, electron microscopic analysis revealed degenerative ultrastructural changes in SNc dopaminergic neurons. Our results show that mild ultrastructural and cellular degradation of dopaminergic neurons of the SNc can lead to certain motor deficits shortly after unilateral striatal lesions, suggesting that a unilateral dose-dependent intrastriatal 6-OHDA lesion protocol can serve as a successful model of the early stages of Parkinson's disease in mice.
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Affiliation(s)
- Andrea Slézia
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary.
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France.
- Institute of Cognitive Neuroscience and Psychology, Eotvos Lorand Research Network, Budapest, Hungary.
- Institut de Neurosciences de la Timone, CNRS UMR 7289, Aix-Marseille Université, Marseille, France.
| | - Panna Hegedüs
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary
- János Szentágothai Doctoral School of Neurosciences, Semmelweis University, Budapest, Hungary
| | - Evgeniia Rusina
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France
| | - Katalin Lengyel
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary
| | - Nicola Solari
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary
| | - Attila Kaszas
- Institut de Neurosciences de la Timone, CNRS UMR 7289, Aix-Marseille Université, Marseille, France
| | - Diána Balázsfi
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary
| | - Boris Botzanowski
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France
| | - Emma Acerbo
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France
| | - Florian Missey
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France
| | - Adam Williamson
- Institut de Neurosciences Des Systèmes, INSERM UMR S 1106, Aix-Marseille Université, Marseille, France.
- International Clinical Research Center (ICRC), St. Anne's University Hospital, Brno, Czech Republic.
| | - Balázs Hangya
- Institute of Experimental Medicine, Lendület Laboratory of Systems Neuroscience, Budapest, Hungary.
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12
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Mendes-Pinheiro B, Campos J, Marote A, Soares-Cunha C, Nickels SL, Monzel AS, Cibrão JR, Loureiro-Campos E, Serra SC, Barata-Antunes S, Duarte-Silva S, Pinto L, Schwamborn JC, Salgado AJ. Treating Parkinson's Disease with Human Bone Marrow Mesenchymal Stem Cell Secretome: A Translational Investigation Using Human Brain Organoids and Different Routes of In Vivo Administration. Cells 2023; 12:2565. [PMID: 37947643 PMCID: PMC10650433 DOI: 10.3390/cells12212565] [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: 08/29/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/12/2023] Open
Abstract
Parkinson's disease (PD) is the most common movement disorder, characterized by the progressive loss of dopaminergic neurons from the nigrostriatal system. Currently, there is no treatment that retards disease progression or reverses damage prior to the time of clinical diagnosis. Mesenchymal stem cells (MSCs) are one of the most extensively studied cell sources for regenerative medicine applications, particularly due to the release of soluble factors and vesicles, known as secretome. The main goal of this work was to address the therapeutic potential of the secretome collected from bone-marrow-derived MSCs (BM-MSCs) using different models of the disease. Firstly, we took advantage of an optimized human midbrain-specific organoid system to model PD in vitro using a neurotoxin-induced model through 6-hydroxydopamine (6-OHDA) exposure. In vivo, we evaluated the effects of BM-MSC secretome comparing two different routes of secretome administration: intracerebral injections (a two-site single administration) against multiple systemic administration. The secretome of BM-MSCs was able to protect from dopaminergic neuronal loss, these effects being more evident in vivo. The BM-MSC secretome led to motor function recovery and dopaminergic loss protection; however, multiple systemic administrations resulted in larger therapeutic effects, making this result extremely relevant for potential future clinical applications.
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Affiliation(s)
- Bárbara Mendes-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Jonas Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Ana Marote
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Carina Soares-Cunha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sarah L. Nickels
- Luxembourg Centre for Systems and Biomedicine (LCSB), University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Anna S. Monzel
- Luxembourg Centre for Systems and Biomedicine (LCSB), University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Jorge R. Cibrão
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Eduardo Loureiro-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sofia C. Serra
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sandra Barata-Antunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sara Duarte-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Luísa Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Jens C. Schwamborn
- Luxembourg Centre for Systems and Biomedicine (LCSB), University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - António J. Salgado
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
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13
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Boi L, Fisone G. Investigating affective neuropsychiatric symptoms in rodent models of Parkinson's disease. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 174:119-186. [PMID: 38341228 DOI: 10.1016/bs.irn.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Affective neuropsychiatric disorders such as depression, anxiety and apathy are among the most frequent non-motor symptoms observed in people with Parkinson's disease (PD). These conditions often emerge during the prodromal phase of the disease and are generally considered to result from neurodegenerative processes in meso-corticolimbic structures, occurring in parallel to the loss of nigrostriatal dopaminergic neurons. Depression, anxiety, and apathy are often treated with conventional medications, including selective serotonin reuptake inhibitors, tricyclic antidepressants, and dopaminergic agonists. The ability of these pharmacological interventions to consistently counteract such neuropsychiatric symptoms in PD is still relatively limited and the development of reliable experimental models represents an important tool to identify more effective treatments. This chapter provides information on rodent models of PD utilized to study these affective neuropsychiatric symptoms. Neurotoxin-based and genetic models are discussed, together with the main behavioral tests utilized to identify depression- and anxiety-like behaviors, anhedonia, and apathy. The ability of various therapeutic approaches to counteract the symptoms observed in the various models is also reviewed.
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Affiliation(s)
- Laura Boi
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Gilberto Fisone
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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14
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Mundorf A, Ocklenburg S. Hemispheric asymmetries in mental disorders: evidence from rodent studies. J Neural Transm (Vienna) 2023; 130:1153-1165. [PMID: 36842091 PMCID: PMC10460727 DOI: 10.1007/s00702-023-02610-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 02/20/2023] [Indexed: 02/27/2023]
Abstract
The brain is built with hemispheric asymmetries in structure and function to enable fast neuronal processing. In neuroimaging studies, several mental disorders have been associated with altered or attenuated hemispheric asymmetries. However, the exact mechanism linking asymmetries and disorders is not known. Here, studies in animal models of mental disorders render important insights into the etiology and neuronal alterations associated with both disorders and atypical asymmetry. In this review, the current literature of animal studies in rats and mice focusing on anxiety and fear, anhedonia and despair, addiction or substance misuse, neurodegenerative disorders as well as stress exposure, and atypical hemispheric asymmetries is summarized. Results indicate overall increased right-hemispheric neuronal activity and a left-sided behavioral bias associated with symptoms of anxiety, fear, anhedonia, behavioral despair as well as stress exposure. Addiction behavior is associated with right-sided bias and transgenic models of Alzheimer's disease indicate an asymmetrical accumulation of fibrillar plaques. Most studies focused on changes in the bilateral amygdala and frontal cortex. Across studies, two crucial factors influencing atypical asymmetries arose independently of the disorder modeled: sex and developmental age. In conclusion, animal models of mental disorders demonstrate atypical hemispheric asymmetries similar to findings in patients. Particularly, increased left-sided behavior and greater right-hemispheric activity were found across models applying stress-based paradigms. However, sex- and age-dependent effects on atypical hemispheric asymmetries are present that require further investigation. Animal models enable the analysis of hemispheric changes on the molecular level which may be most effective to detect early alterations.
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Affiliation(s)
- Annakarina Mundorf
- Institute for Systems Medicine and Department of Human Medicine, MSH Medical School Hamburg, Hamburg, Germany.
| | - Sebastian Ocklenburg
- Department of Psychology, Medical School Hamburg, Hamburg, Germany
- ICAN Institute for Cognitive and Affective Neuroscience, Medical School Hamburg, Hamburg, Germany
- Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany
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15
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Caridade-Silva R, Araújo B, Martins-Macedo J, Teixeira FG. N-Acetylcysteine Treatment May Compensate Motor Impairments through Dopaminergic Transmission Modulation in a Striatal 6-Hydroxydopamine Parkinson's Disease Rat Model. Antioxidants (Basel) 2023; 12:1257. [PMID: 37371987 DOI: 10.3390/antiox12061257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/29/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Preventing degeneration and the loss of dopaminergic neurons (DAn) in the brain while mitigating motor symptoms remains a challenge in Parkinson's Disease (PD) treatment development. In light of this, developing or repositioning potential disease-modifying approaches is imperative to achieve meaningful translational gains in PD research. Under this concept, N-acetylcysteine (NAC) has revealed promising perspectives in preserving the dopaminergic system capability and modulating PD mechanisms. Although NAC has been shown to act as an antioxidant and (neuro)protector of the brain, it has yet to be acknowledged how this repurposed drug can improve motor symptomatology and provide disease-modifying properties in PD. Therefore, in the present work, we assessed the impact of NAC on motor and histological deficits in a striatal 6-hydroxydopamine (6-OHDA) rat model of PD. The results revealed that NAC enhanced DAn viability, as we found that it could restore dopamine transporter (DAT) levels compared to the untreated 6-OHDA group. Such findings were positively correlated with a significant amelioration in the motor outcomes of the 6-OHDA-treated animals, demonstrating that NAC may, somehow, be a modulator of PD degenerative mechanisms. Overall, we postulated a proof-of-concept milestone concerning the therapeutic application of NAC. Nevertheless, it is extremely important to understand the complexity of this drug and how its therapeutical properties interact with the cellular and molecular PD mechanisms.
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Affiliation(s)
- Rita Caridade-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- Center for Translational Health and Medical Biotechnology Research, School of Health, Polytechnic University of Porto, 4200-465 Porto, Portugal
| | - Bruna Araújo
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- Center for Translational Health and Medical Biotechnology Research, School of Health, Polytechnic University of Porto, 4200-465 Porto, Portugal
| | - Joana Martins-Macedo
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- Center for Translational Health and Medical Biotechnology Research, School of Health, Polytechnic University of Porto, 4200-465 Porto, Portugal
| | - Fábio G Teixeira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- I3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- Center for Translational Health and Medical Biotechnology Research, School of Health, Polytechnic University of Porto, 4200-465 Porto, Portugal
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Jiang W, Cheng Y, Wang Y, Wu J, Rong Z, Sun L, Zhou Y, Zhang K. Involvement of Abnormal p-α-syn Accumulation and TLR2-Mediated Inflammation of Schwann Cells in Enteric Autonomic Nerve Dysfunction of Parkinson's Disease: an Animal Model Study. Mol Neurobiol 2023:10.1007/s12035-023-03345-4. [PMID: 37148524 DOI: 10.1007/s12035-023-03345-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 04/10/2023] [Indexed: 05/08/2023]
Abstract
The study was designed to investigate the pathogenesis of gastrointestinal (GI) impairment in Parkinson's disease (PD). We utilized 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP, 20 mg/kg) and probenecid (250 mg/kg) to prepare a PD mice model. MPTP modeling was first confirmed. GI motility was measured using stool collection test and enteric plexus loss was also detected. Intestinal phosphorylated α-synuclein (p-α-syn), inflammation, and S100 were assessed using western blotting. Association between Toll-like receptor 2(TLR2) and GI function was validated by Pearson's correlations. Immunofluorescence was applied to show co-localizations of intestinal p-α-syn, inflammation, and Schwann cells (SCs). CU-CPT22 (3 mg/kg, a TLR1/TLR2 inhibitor) was adopted then. Success in modeling, damaged GI neuron and function, and activated intestinal p-α-syn, inflammation, and SCs responses were observed in MPTP group, with TLR2 related to GI damage. Increased p-α-syn and inflammatory factors were shown in SCs of myenteron for MPTP mice. Recovered fecal water content and depression of inflammation, p-α-syn deposition, and SCs activity were noticed after TLR2 suppression. The study investigates a novel mechanism of PD GI autonomic dysfunction, demonstrating that p-α-syn accumulation and TLR2 signaling of SCs were involved in disrupted gut homeostasis and treatments targeting TLR2-mediated pathway might be a possible therapy for PD.
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Affiliation(s)
- Wenwen Jiang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yue Cheng
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Ye Wang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Jing Wu
- Department of Neurology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, China
| | - Zhe Rong
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Li Sun
- Department of Neurology, Suzhou Ninth People's Hospital, Suzhou, 215200, China
| | - Yan Zhou
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201620, China.
| | - Kezhong Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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Kim JH, Kang RJ, Hyeon SJ, Ryu H, Joo H, Bu Y, Kim JH, Suk K. Lipocalin-2 Is a Key Regulator of Neuroinflammation in Secondary Traumatic and Ischemic Brain Injury. Neurotherapeutics 2023; 20:803-821. [PMID: 36508119 PMCID: PMC10275845 DOI: 10.1007/s13311-022-01333-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Reactive glial cells are hallmarks of brain injury. However, whether these cells contribute to secondary inflammatory pathology and neurological deficits remains poorly understood. Lipocalin-2 (LCN2) has inflammatory and neurotoxic effects in various disease models; however, its pathogenic role in traumatic brain injury remains unknown. The aim of the present study was to investigate the expression of LCN2 and its role in neuroinflammation following brain injury. LCN2 expression was high in the mouse brain after controlled cortical impact (CCI) and photothrombotic stroke (PTS) injury. Brain levels of LCN2 mRNA and protein were also significantly higher in patients with chronic traumatic encephalopathy (CTE) than in normal subjects. RT-PCR and immunofluorescence analyses revealed that astrocytes were the major cellular source of LCN2 in the injured brain. Lcn2 deficiency or intracisternal injection of an LCN2 neutralizing antibody reduced CCI- and PTS-induced brain lesions, behavioral deficits, and neuroinflammation. Mechanistically, in cultured glial cells, recombinant LCN2 protein enhanced scratch injury-induced proinflammatory cytokine gene expression and inhibited Gdnf gene expression, whereas Lcn2 deficiency exerted opposite effects. Together, our results from CTE patients, rodent brain injury models, and cultured glial cells suggest that LCN2 mediates secondary damage response to traumatic and ischemic brain injury by promoting neuroinflammation and suppressing the expression of neurotropic factors.
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Affiliation(s)
- Jae-Hong Kim
- Brain Korea 21 Four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ri Jin Kang
- Brain Korea 21 Four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Seung Jae Hyeon
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Hoon Ryu
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul, Republic of Korea
- Veterans Affairs Boston Healthcare System, Boston, MA USA
- Boston University Alzheimer’s Disease Center and Department of Neurology, Boston University School of Medicine, Boston, MA USA
| | - Hyejin Joo
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul, Republic of Korea
- Present Address: Pharmacological Research Division, Toxicological Evaluation and Research Department, Ministry of Food and Drug Safety, National Institute of Food and Drug Safety Evaluation, Chungju, Republic of Korea
| | - Youngmin Bu
- Department of Herbal Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Jong-Heon Kim
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Brain Science & Engineering Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Kyoungho Suk
- Brain Korea 21 Four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Brain Science & Engineering Institute, Kyungpook National University, Daegu, Republic of Korea
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18
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Lv QK, Tao KX, Wang XB, Yao XY, Pang MZ, Liu JY, Wang F, Liu CF. Role of α-synuclein in microglia: autophagy and phagocytosis balance neuroinflammation in Parkinson's disease. Inflamm Res 2023; 72:443-462. [PMID: 36598534 DOI: 10.1007/s00011-022-01676-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/27/2022] [Accepted: 12/12/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Parkinson's disease (PD) is the second most common neurodegenerative disease, and is characterized by accumulation of α-synuclein (α-syn). Neuroinflammation driven by microglia is an important pathological manifestation of PD. α-Syn is a crucial marker of PD, and its accumulation leads to microglia M1-like phenotype polarization, activation of NLRP3 inflammasomes, and impaired autophagy and phagocytosis in microglia. Autophagy of microglia is related to degradation of α-syn and NLRP3 inflammasome blockage to relieve neuroinflammation. Microglial autophagy and phagocytosis of released α-syn or fragments from apoptotic neurons maintain homeostasis in the brain. A variety of PD-related genes such as LRRK2, GBA and DJ-1 also contribute to this stability process. OBJECTIVES Further studies are needed to determine how α-syn works in microglia. METHODS A keyword-based search was performed using the PubMed database for published articles. CONCLUSION In this review, we discuss the interaction between microglia and α-syn in PD pathogenesis and the possible mechanism of microglial autophagy and phagocytosis in α-syn clearance and inhibition of neuroinflammation. This may provide a novel insight into treatment of PD.
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Affiliation(s)
- Qian-Kun Lv
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China
| | - Kang-Xin Tao
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China
| | - Xiao-Bo Wang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China
| | - Xiao-Yu Yao
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China
| | - Meng-Zhu Pang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China
| | - Jun-Yi Liu
- Department of Neurology, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
| | - Fen Wang
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China.
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China.
| | - Chun-Feng Liu
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China.
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, China.
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19
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Non-motor manifestation of Parkinson's disease: a cross-sectional study in a teaching hospital in Jordan. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2022. [DOI: 10.1186/s41983-022-00559-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Abstract
Background
Parkinson's disease (PD) is the most common degenerative movement disorder. It is featured by motor manifestations and up till now the clinical diagnosis is based on them. Since the progress in the symptomatic treatment of PD and the longer survival of patients, non-motor manifestations (NMM) were more recognized and considered to be significant. The importance of NMM is that they reflect the more diffuse pathology of PD and may represent an opportunity of earlier diagnosis and treatment. Here in this cross-sectional study, we try to estimate the frequency of such manifestations in PD patients in the country. Using slightly modified PD non-motor (28 of 30 responses) questionnaire (NMS Quest), we studied the incidence of NMM in 100 PD patients attending one major teaching hospital and compared their occurrence in 130 age- and gender-matched non-PD controls.
Results
Out of 100 PD patients (40% females) mean age 67.4 ± 12 with disease duration of 7.3 ± 5.8, range < 1–33.2 years), and 130 control subjects (48.5% females), mean age 65.0 ± 7.0. PD patients had 8.6 ± 5.3 NMM while controls had 3.4 ± 3.3 NMM, respectively (p < 0.00001 t test). Constipation, urgency, insomnia, sad feeling, panic, light headedness and recent memory impairment were the most prevalent NMM in PD compared to controls, while nocturia, restless legs, encopresis and falling were not different in the two groups. The number of NMM ranged from 0 to 21 in PD patients with 50% having ≥ 8 manifestations. The number of NMM did not correlate with age, gender, or disease duration as defined by the classical motor symptoms. Frequency of 23 of these 28 manifestations differed significantly in PD patients compared to controls.
Conclusions
This study confirms that NMM in Jordanian PD patients are very common as reported in other populations. This signifies the universal prevalence of such NMM reflecting their important impact on their daily life and their relevant contribution to better understanding of this disease.
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20
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Dantas CG, da Paixão AO, Nunes TLGM, Silva IJF, dos S. Lima B, Araújo AAS, de Albuquerque-Junior RLC, Gramacho KP, Padilha FF, da Costa LP, Severino P, Cardoso JC, Souto EB, Gomes MZ. Africanized Bee Venom ( Apis mellifera Linnaeus): Neuroprotective Effects in a Parkinson's Disease Mouse Model Induced by 6-hydroxydopamine. TOXICS 2022; 10:583. [PMID: 36287863 PMCID: PMC9609968 DOI: 10.3390/toxics10100583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/24/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
This study evaluated the neuroprotective effects of the Africanized bee venom (BV) and its mechanisms of action after 6-hydroxydopamine-(6-OHDA)-induced lesion in a mice model. Prior to BV treatment, mice received intrastriatal microinjections of 6-OHDA (no induced dopaminergic neuronal death) or ascorbate saline (as a control). BV was administered subcutaneously at different dosages (0.01, 0.05 or 0.1 mg·Kg-1) once every two days over a period of 3 weeks. The open field test was carried out, together with the immunohistochemical and histopathological analysis. The chemical composition of BV was also assessed, identifying the highest concentrations of apamin, phospholipase A2 and melittin. In the behavioral evaluation, the BV (0.1 mg·Kg-1) counteracted the 6-OHDA-induced decrease in crossings and rearing. 6-OHDA caused loss of dopaminergic cell bodies in the substantia nigra pars compacta and fibers in striatum (STR). Mice that received 0.01 mg·Kg-1 showed significant increase in the mean survival of dopaminergic cell bodies. Increased astrocytic infiltration occurred in the STR of 6-OHDA injected mice, differently from those of the groups treated with BV. The results suggested that Africanized BV has neuroprotective activity in an animal model of Parkinson's disease.
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Affiliation(s)
- Camila G. Dantas
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Ailma O. da Paixão
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Tássia L. G. M. Nunes
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Italo J. F. Silva
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Bruno dos S. Lima
- Department of Pharmacy, Federal University of Sergipe (U.F.S.), Cidade Universitária Prof. José Aloísio de Campos, Av. Marechal Rondon, Jardim Rosa Elze, São Cristóvão 49100-000, Sergipe, Brazil
| | - Adriano A. S. Araújo
- Department of Pharmacy, Federal University of Sergipe (U.F.S.), Cidade Universitária Prof. José Aloísio de Campos, Av. Marechal Rondon, Jardim Rosa Elze, São Cristóvão 49100-000, Sergipe, Brazil
| | | | - Kátia P. Gramacho
- Department of Animal Science, Rural Federal University of Semi-Árido (U.F.E.R.S.A), Av. Francisco Mota, Costa e Silva, Mossoró 49032-490, Natal, Brazil
| | - Francine F. Padilha
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Luiz P. da Costa
- Post-Graduation Program in Chemistry, Federal University of Sergipe (U.F.S.), Cidade Universitária Prof. José Aloísio de Campos, Av. Marechal Rondon, Jardim Rosa Elze, São Cristóvão 49100-000, Sergipe, Brazil
| | - Patricia Severino
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Juliana C. Cardoso
- Institute of Research and Technology, Tiradentes University, Av. Murilo Dantas, 300, Aracaju 49032-490, Sergipe, Brazil
| | - Eliana B. Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- REQUIMTE/UCIBIO, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Margarete Z. Gomes
- Department of Animal Science, Rural Federal University of Semi-Árido (U.F.E.R.S.A), Av. Francisco Mota, Costa e Silva, Mossoró 49032-490, Natal, Brazil
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21
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Lane EL, Lelos MJ. Defining the unknowns for cell therapies in Parkinson's disease. Dis Model Mech 2022; 15:dmm049543. [PMID: 36165848 PMCID: PMC9555765 DOI: 10.1242/dmm.049543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
First-in-human clinical trials have commenced to test the safety and efficacy of cell therapies for people with Parkinson's disease (PD). Proof of concept that this neural repair strategy is efficacious is based on decades of preclinical studies and clinical trials using primary foetal cells, as well as a significant literature exploring more novel stem cell-derived products. Although several measures of efficacy have been explored, including the successful in vitro differentiation of stem cells to dopamine neurons and consistent alleviation of motor dysfunction in rodent models, many unknowns still remain regarding the long-term clinical implications of this treatment strategy. Here, we consider some of these outstanding questions, including our understanding of the interaction between anti-Parkinsonian medication and the neural transplant, the impact of the cell therapy on cognitive or neuropsychiatric symptoms of PD, the role of neuroinflammation in the therapeutic process and the development of graft-induced dyskinesias. We identify questions that are currently pertinent to the field that require further exploration, and pave the way for a more holistic understanding of this neural repair strategy for treatment of PD.
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Affiliation(s)
- Emma L. Lane
- Cardiff School of Pharmacy and Pharmaceutical Sciences, King Edward VII Avenue, Cardiff University, Cardiff CF10 3NB, UK
| | - Mariah J. Lelos
- School of Biosciences, Museum Avenue, Cardiff University, Cardiff CF10 3AX, UK
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22
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Tanaka M, Vécsei L. Editorial of Special Issue ‘Dissecting Neurological and Neuropsychiatric Diseases: Neurodegeneration and Neuroprotection’. Int J Mol Sci 2022; 23:ijms23136991. [PMID: 35805990 PMCID: PMC9266548 DOI: 10.3390/ijms23136991] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Affiliation(s)
- Masaru Tanaka
- ELKH-SZTE Neuroscience Research Group, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary
| | - László Vécsei
- ELKH-SZTE Neuroscience Research Group, Eötvös Loránd Research Network, University of Szeged (ELKH-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
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23
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Striatal synaptic adaptations in Parkinson's disease. Neurobiol Dis 2022; 167:105686. [PMID: 35272023 DOI: 10.1016/j.nbd.2022.105686] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/16/2022] [Accepted: 03/03/2022] [Indexed: 01/02/2023] Open
Abstract
The striatum is densely innervated by mesencephalic dopaminergic neurons that modulate acquisition and vigor of goal-directed actions and habits. This innervation is progressively lost in Parkinson's disease (PD), contributing to the defining movement deficits of the disease. Although boosting dopaminergic signaling with levodopa early in the course of the disease alleviates these deficits, later this strategy leads to the emergence of debilitating dyskinesia. Here, recent advances in our understanding of how striatal cells and circuits adapt to this progressive de-innervation and to levodopa therapy are discussed. First, we discuss how dopamine (DA) depletion triggers cell type-specific, homeostatic changes in spiny projection neurons (SPNs) that tend to normalize striatal activity but also lead to disruption of the synaptic architecture sculpted by experience. Second, we discuss the roles played by cholinergic and nitric oxide-releasing interneurons in these adaptations. Third, we examine recent work in freely moving mice suggesting that alterations in the spatiotemporal dynamics of striatal ensembles contributes to PD movement deficits. Lastly, we discuss recently published evidence from a progressive model of PD suggesting that contrary to the classical model, striatal pathway imbalance is necessary but not sufficient to produce frank parkinsonism.
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24
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Kim J, Park I, Jang S, Choi M, Kim D, Sun W, Choe Y, Choi JW, Moon C, Park SH, Choe HK, Kim K. Pharmacological Rescue with SR8278, a Circadian Nuclear Receptor REV-ERBα Antagonist as a Therapy for Mood Disorders in Parkinson's Disease. Neurotherapeutics 2022; 19:592-607. [PMID: 35322351 PMCID: PMC9226214 DOI: 10.1007/s13311-022-01215-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2022] [Indexed: 12/15/2022] Open
Abstract
Parkinson's disease is a neurodegenerative disease characterized by progressive dopaminergic neuronal loss. Motor deficits experienced by patients with Parkinson's disease are well documented, but non-motor symptoms, including mood disorders associated with circadian disturbances, are also frequent features. One common phenomenon is "sundowning syndrome," which is characterized by the occurrence of neuropsychiatric symptoms at a specific time (dusk), causing severe quality of life challenges. This study aimed to elucidate the underlying mechanisms of sundowning syndrome in Parkinson's disease and their molecular links with the circadian clock. We demonstrated that 6-hydroxydopamine (6-OHDA)-lesioned mice, as Parkinson's disease mouse model, exhibit increased depression- and anxiety-like behaviors only at dawn (the equivalent of dusk in human). Administration of REV-ERBα antagonist, SR8278, exerted antidepressant and anxiolytic effects in a circadian time-dependent manner in 6-OHDA-lesioned mice and restored the circadian rhythm of mood-related behaviors. 6-OHDA-lesion altered DAergic-specific Rev-erbα and Nurr1 transcription, and atypical binding activities of REV-ERBα and NURR1, which are upstream nuclear receptors for the discrete tyrosine hydroxylase promoter region. SR8278 treatment restored the binding activities of REV-ERBα and NURR1 to the tyrosine hydroxylase promoter and the induction of enrichment of the R/N motif, recognized by REV-ERBα and NURR1, as revealed by ATAC-sequencing; therefore, tyrosine hydroxylase expression was elevated in the ventral tegmental area of 6-OHDA-injected mice, especially at dawn. These results indicate that REV-ERBα is a potential therapeutic target, and its antagonist, SR8278, is a potential drug for mood disorders related to circadian disturbances, namely sundowning syndrome, in Parkinson's disease.
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Affiliation(s)
- Jeongah Kim
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
- Department of Anatomy, College of Medicine, Korea University, Seoul, Korea
| | - Inah Park
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
| | - Sangwon Jang
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
| | - Mijung Choi
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
| | - Doyeon Kim
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
- Program in Neurosciences & Mental Health, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Woong Sun
- Department of Anatomy, College of Medicine, Korea University, Seoul, Korea
| | | | - Ji-Woong Choi
- Department of Electrical Engineering and Computer Science, DGIST, Daegu, Korea
| | - Cheil Moon
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
- Convergence Research Advanced Centre for Olfaction, DGIST, Daegu, Korea
| | - Sung Ho Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea
| | - Han Kyoung Choe
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea
| | - Kyungjin Kim
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Korea.
- Convergence Research Advanced Centre for Olfaction, DGIST, Daegu, Korea.
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