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He S, Ru Q, Chen L, Xu G, Wu Y. Advances in animal models of Parkinson's disease. Brain Res Bull 2024; 215:111024. [PMID: 38969066 DOI: 10.1016/j.brainresbull.2024.111024] [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: 05/12/2024] [Revised: 06/26/2024] [Accepted: 06/28/2024] [Indexed: 07/07/2024]
Abstract
Parkinson's disease is a complex neurodegenerative disease characterized by progressive movement impairments. Predominant symptoms encompass resting tremor, bradykinesia, limb rigidity, and postural instability. In addition, it also includes a series of non-motor symptoms such as sleep disorders, hyposmia, gastrointestinal dysfunction, autonomic dysfunction and cognitive impairment. Pathologically, the disease manifests through dopaminergic neuronal loss and the presence of Lewy bodies. At present, no significant breakthrough has been achieved in clinical Parkinson's disease treatment. Exploring treatment modalities necessitate the establishment of scientifically sound animal models. In recent years, researchers have focused on replicating the symptoms of human Parkinson's disease, resulting in the establishment of various experimental animal models primarily through drugs and transgenic methods to mimic relevant pathologies and identify more effective treatments. This review examines traditional neurotoxin and transgenic animal models as well as α-synuclein pre-formed fibrils models, non-human primate models and non-mammalian specie models. Additionally, it introduces emerging models, including models based on optogenetics, induced pluripotent stem cells, and gene editing, aiming to provide a reference for the utilization of experimental animal models and clinical research for researchers in this field.
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Affiliation(s)
- Sui He
- Institute of Intelligent Sport and Proactive Health, Department of Health and Physical Education, Jianghan University, Wuhan 430056, China
| | - Qin Ru
- Institute of Intelligent Sport and Proactive Health, Department of Health and Physical Education, Jianghan University, Wuhan 430056, China
| | - Lin Chen
- Institute of Intelligent Sport and Proactive Health, Department of Health and Physical Education, Jianghan University, Wuhan 430056, China
| | - Guodong Xu
- Institute of Intelligent Sport and Proactive Health, Department of Health and Physical Education, Jianghan University, Wuhan 430056, China
| | - Yuxiang Wu
- Institute of Intelligent Sport and Proactive Health, Department of Health and Physical Education, Jianghan University, Wuhan 430056, China.
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Sophronea T, Agrawal S, Kumari N, Mishra J, Walecha V, Luthra PM. A 2AR antagonists triggered the AMPK/m-TOR autophagic pathway to reverse the calcium-dependent cell damage in 6-OHDA induced model of PD. Neurochem Int 2024; 178:105793. [PMID: 38880232 DOI: 10.1016/j.neuint.2024.105793] [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: 02/14/2024] [Revised: 05/23/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024]
Abstract
Calcium dyshomeostasis, oxidative stress, autophagy and apoptosis are the pathogenesis of selective dopaminergic neuronal loss in Parkinson's disease (PD). Earlier, we reported that A2A R modulates IP3-dependent intracellular Ca2+ signalling via PKA. Moreover, A2A R antagonist has been reported to reduce oxidative stress and apoptosis in PD models, however intracellular Ca2+ ([Ca2+]i) dependent autophagy regulation in the 6-OHDA model of PD has not been explored. In the present study, we investigated the A2A R antagonists mediated neuroprotective effects in 6-OHDA-induced primary midbrain neuronal (PMN) cells and unilateral lesioned rat model of PD. 6-OHDA-induced oxidative stress (ROS and superoxide) and [Ca2+]i was measured using Fluo4AM, DCFDA and DHE dye respectively. Furthermore, autophagy was assessed by Western blot of p-m-TOR/mTOR, p-AMPK/AMPK, LC3I/II, Beclin and β-actin. Apoptosis was measured by Annexin V-APC-PI detection and Western blot of Bcl2, Bax, caspase3 and β-actin. Dopamine levels were measured by Dopamine ELISA kit and Western blot of tyrosine hydroxylase. Our results suggest that 6-OHDA-induced PMN cell death occurred due to the interruption of [Ca2+]i homeostasis, accompanied by activation of autophagy and apoptosis. A2A R antagonists prevented 6-OHDA-induced neuronal cell death by decreasing [Ca2+]i overload and oxidative stress. In addition, we found that A2A R antagonists upregulated mTOR phosphorylation and downregulated AMPK phosphorylation thereby reducing autophagy and apoptosis both in 6-OHDA induced PMN cells and 6-OHDA unilateral lesioned rat model. In conclusion, A2A R antagonists alleviated 6-OHDA toxicity by modulating [Ca2+]i signalling to inhibit autophagy mediated by the AMPK/mTOR pathway.
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Affiliation(s)
- Tuithung Sophronea
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India
| | - Saurabh Agrawal
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India
| | - Namrata Kumari
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India
| | - Jyoti Mishra
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India
| | - Vaishali Walecha
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India
| | - Pratibha Mehta Luthra
- Neuropharmaceutical Chemistry Laboratory, Dr. B. R. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, Delhi, 110007, India.
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Oñate-Ponce A, Muñoz C, Catenaccio A, Court FA, Henny P. Applying the area fraction fractionator (AFF) probe for total volume estimations of somatic, dendritic and axonal domains of the nigrostriatal dopaminergic system in a murine model. J Neurosci Methods 2024:110226. [PMID: 39038717 DOI: 10.1016/j.jneumeth.2024.110226] [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: 05/27/2024] [Revised: 07/02/2024] [Accepted: 07/19/2024] [Indexed: 07/24/2024]
Abstract
BACKGROUND The Cavalieri estimator is used for volume measurement of brain and brain regions. Derived from this estimator is the Area Fraction Fractionator (AFF), used for efficient area and number estimations of small 2D elements, such as axons in cross-sectioned nerves. However, to our knowledge, the AFF has not been combined with serial sectioning analysis to measure the volume of small-size nervous structures. NEW METHOD Using the nigrostriatal dopaminergic system as an illustrative case, we describe a protocol based on Cavalieri's principle and AFF to estimate the volume of its somatic, nuclear, dendritic, axonal and axon terminal cellular compartments in the adult mouse. The protocol consists of (1) systematic random sampling of sites within and across sections in regions of interest (substantia nigra, the nigrostriatal tract, caudate-putamen), (2) confocal image acquisition of sites, (3) marking of cellular domains using Cavalieri's 2D point-counting grids, and 4) determination of compartments' total volume using the estimated area of each compartment, and between-sections distance. RESULTS The volume of the nigrostriatal system is ~0.38 mm3, with ~5% corresponding to perikarya and cell nuclei, ~10% to neuropil/dendrites, and ~85% to axons and varicosities. COMPARISON WITH EXISTING METHODS In contrast to other methods to measure volume of discrete objects, such as the optical nucleator or 3D reconstructions, it stands out for its versatility and ease of use. CONCLUSIONS The use of a simple quantitative, unbiased approach to assess the global state of a system may allow quantification of compartment-specific changes that may accompany neurodegenerative processes.
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Affiliation(s)
- Alejandro Oñate-Ponce
- Laboratorio de Neuroanatomía, Departamento de Anatomía, and Centro Interdisciplinario de Neurociencia, NeuroUC, Escuela de Medicina, Pontificia Universidad Católica de Chile
| | - Catalina Muñoz
- Laboratorio de Neuroanatomía, Departamento de Anatomía, and Centro Interdisciplinario de Neurociencia, NeuroUC, Escuela de Medicina, Pontificia Universidad Católica de Chile
| | - Alejandra Catenaccio
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago, Chile
| | - Felipe A Court
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago, Chile; Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile; Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Pablo Henny
- Laboratorio de Neuroanatomía, Departamento de Anatomía, and Centro Interdisciplinario de Neurociencia, NeuroUC, Escuela de Medicina, Pontificia Universidad Católica de Chile; Departamento de Neurociencia, Facultad de Medicina, Universidad de Chile.
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Lal R, Singh A, Watts S, Chopra K. Experimental models of Parkinson's disease: Challenges and Opportunities. Eur J Pharmacol 2024; 980:176819. [PMID: 39029778 DOI: 10.1016/j.ejphar.2024.176819] [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: 09/07/2023] [Revised: 05/29/2024] [Accepted: 07/17/2024] [Indexed: 07/21/2024]
Abstract
Parkinson's disease (PD) is a widespread neurodegenerative disorder occurs due to the degradation of dopaminergic neurons present in the substantia nigra pars compacta (SNpc). Millions of people are affected by this devastating disorder globally, and the frequency of the condition increases with the increase in the elderly population. A significant amount of progress has been made in acquiring more knowledge about the etiology and the pathogenesis of PD over the past decades. Animal models have been regarded to be a vital tool for the exploration of complex molecular mechanisms involved in PD. Various animals used as models for disease monitoring include vertebrates (zebrafish, rats, mice, guinea pigs, rabbits and monkeys) and invertebrate models (Drosophila, Caenorhabditis elegans). The animal models most relevant for study of PD are neurotoxin induction-based models (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 6-Hydroxydopamine (6-OHDA) and agricultural pesticides (rotenone, paraquat), pharmacological models (reserpine or haloperidol treated rats), genetic models (α-synuclein, Leucine-rich repeat kinase 2 (LRRK2), DJ-1, PINK-1 and Parkin). Several non-mammalian genetic models such as zebrafish, Drosophila and Caenorhabditis elegance have also gained popularity in recent years due to easy genetic manipulation, presence of genes homologous to human PD, and rapid screening of novel therapeutic molecules. In addition, in vitro models (SH-SY5Y, PC12, Lund human mesencephalic (LUHMES) cells, Human induced pluripotent stem cell (iPSC), Neural organoids, organ-on-chip) are also currently in trend providing edge in investigating molecular mechanisms involved in PD as they are derived from PD patients. In this review, we explain the current situation and merits and demerits of the various animal models.
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Affiliation(s)
- Roshan Lal
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India.
| | - Aditi Singh
- TR(i)P for Health Laboratory, Centre for Excellence in Functional Foods, Department of Food and Nutritional Biotechnology, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, Punjab, 140306, India.
| | - Shivam Watts
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India.
| | - Kanwaljit Chopra
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India.
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Tang G, Guo Y, Li R, Wang Y, Yang J, Gao S, Liu J. Lateral habenula 5-HT 1B receptors are involved in regulation of anxiety-like behaviors in parkinsonian rats. Neurochem Int 2024; 177:105766. [PMID: 38750961 DOI: 10.1016/j.neuint.2024.105766] [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: 03/25/2024] [Revised: 05/04/2024] [Accepted: 05/12/2024] [Indexed: 06/04/2024]
Abstract
Although the output of the lateral habenula (LHb) controls the activity of midbrain dopaminergic and serotonergic systems, which are implicated in the pathophysiology of anxiety, it is not clear the role of LHb 5-HT1B receptors in regulation of anxiety-like behaviors, particularly in Parkinson's disease-related anxiety. In this study, unilateral 6-hydroxydopamine lesions of the substantia nigra pars compacta in rats induced anxiety-like behaviors, led to decreased normalized δ power and increased normalized θ power in the LHb, and decreased dopamine (DA) level in the prelimbic cortex (PrL) compared with sham rats. Down-regulation of LHb 5-HT1B receptors by RNA interference produced anxiety-like effects, decreased normalized δ power and increased normalized θ power in the LHb in both sham and lesioned rats. Further, intra-LHb injection of 5-HT1B receptor agonist CP93129 induced anxiolytic-like responses, increased normalized δ power and decreased normalized θ power in the LHb, and increased DA and serotonin (5-HT) release in the PrL; conversely, 5-HT1B receptor antagonist SB216641 produced anxiety-like effects, decreased normalized δ power and increased normalized θ power in the LHb, and decreased DA and 5-HT release in the PrL in sham and lesioned rats. Additionally, effects of CP93129 and SB216641 on the behaviors, normalized δ and θ power in the LHb, and DA and 5-HT release in the PrL were decreased in lesioned rats, which were consistent with down-regulation of LHb 5-HT1B receptors after DA depletion. Collectively, these findings suggest that 5-HT1B receptors in the LHb are involved in the regulation of anxiety-like behaviors.
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Affiliation(s)
- Guoyi Tang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Ruotong Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yixuan Wang
- Department of Rehabilitation Medicine, The Second Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Jie Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Shasha Gao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China.
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Bernal-Conde LD, Peña-Martínez V, Morato-Torres CA, Ramos-Acevedo R, Arias-Carrión Ó, Padilla-Godínez FJ, Delgado-González A, Palomero-Rivero M, Collazo-Navarrete O, Soto-Rojas LO, Gómez-Chavarín M, Schüle B, Guerra-Crespo M. Alpha-Synuclein Gene Alterations Modulate Tyrosine Hydroxylase in Human iPSC-Derived Neurons in a Parkinson's Disease Animal Model. Life (Basel) 2024; 14:728. [PMID: 38929711 PMCID: PMC11204703 DOI: 10.3390/life14060728] [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: 05/05/2024] [Revised: 05/27/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Parkinson's disease (PD) caused by SNCA gene triplication (3XSNCA) leads to early onset, rapid progression, and often dementia. Understanding the impact of 3XSNCA and its absence is crucial. This study investigates the differentiation of human induced pluripotent stem cell (hiPSC)-derived floor-plate progenitors into dopaminergic neurons. Three different genotypes were evaluated in this study: patient-derived hiPSCs with 3XSNCA, a gene-edited isogenic line with a frame-shift mutation on all SNCA alleles (SNCA 4KO), and a normal wild-type control. Our aim was to assess how the substantia nigra pars compacta (SNpc) microenvironment, damaged by 6-hydroxydopamine (6-OHDA), influences tyrosine hydroxylase-positive (Th+) neuron differentiation in these genetic variations. This study confirms successful in vitro differentiation into neuronal lineage in all cell lines. However, the SNCA 4KO line showed unusual LIM homeobox transcription factor 1 alpha (Lmx1a) extranuclear distribution. Crucially, both 3XSNCA and SNCA 4KO lines had reduced Th+ neuron expression, despite initial successful neuronal differentiation after two months post-transplantation. This indicates that while the SNpc environment supports early neuronal survival, SNCA gene alterations-either amplification or knock-out-negatively impact Th+ dopaminergic neuron maturation. These findings highlight SNCA's critical role in PD and underscore the value of hiPSC models in studying neurodegenerative diseases.
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Affiliation(s)
- Luis Daniel Bernal-Conde
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Verónica Peña-Martínez
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - C. Alejandra Morato-Torres
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94304, USA;
| | - Rodrigo Ramos-Acevedo
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Óscar Arias-Carrión
- Movement and Sleep Disorders Unit, Dr. Manuel Gea González General Hospital, Mexico City 14080, Mexico;
| | - Francisco J. Padilla-Godínez
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Alexa Delgado-González
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
| | - Marcela Palomero-Rivero
- Neurodevelopment and Physiology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico;
| | - Omar Collazo-Navarrete
- National Laboratory of Genomic Resources, Institute of Biomedical Research, National Autonomous University of Mexico, Mexico City 04510, Mexico;
| | - Luis O. Soto-Rojas
- Laboratory of Molecular Pathogenesis, Laboratory 4, Building A4, Medical Surgeon Career, Faculty of Higher Studies Iztacala, National Autonomous University of Mexico, Mexico City 54090, Mexico;
| | - Margarita Gómez-Chavarín
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
| | - Birgitt Schüle
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94304, USA;
| | - Magdalena Guerra-Crespo
- Laboratory of Regenerative Medicine, Physiology Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico; (L.D.B.-C.); (V.P.-M.); (C.A.M.-T.); (R.R.-A.); (F.J.P.-G.); (A.D.-G.); (M.G.-C.)
- Molecular Neuropathology Department, Neuroscience Division, Institute of Cell Physiology, National Autonomous University of Mexico, Mexico City 04510, Mexico
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Pala M, Meral I, Pala Acikgoz N, Mengi M, Erdim Gokce MB, Unsal R, Polat Y, Akbas F, Gorucu Yilmaz S. Thymoquinone ameliorates symptoms of Parkinson's disease in a 6-OHDA rat model by downregulation of miR-204-3p. Behav Pharmacol 2024; 35:201-210. [PMID: 38660812 DOI: 10.1097/fbp.0000000000000776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
microRNAs (miRNAs) play a significant role in the pathophysiology of Parkinson's disease. In this study, we evaluated the neuroprotective effect of thymoquinone on the expression profiles of miRNA and cognitive functions in the 6-hydroxydopamine (6-OHDA)-induced Parkinson's model. Male adult Wistar albino rats (200-230 g, n = 36) were randomly assigned to six groups: Sham, thymoquinone (10 mg/kg, p.o.), 6-OHDA, 6-OHDA + thymoquinone (10 mg/kg), 6-OHDA + thymoquinone (20 mg/kg), and 6-OHDA + thymoquinone (50 mg/kg). Behavioral changes were detected using the open field and the elevated plus maze tests. The mature 728 miRNA expressions were evaluated by miRNA microarray (GeneChip miRNA 4.0). Ten miRNAs were selected (rno-miR-212-5p, rno-miR-146b-5p, rno-miR-150-5p, rno-miR-29b-2-5p, rno-miR-126a-3p, rno-miR-187-3p, rno-miR-34a-5p, rno-miR-181d-5p, rno-miR-204-3p, and rno-miR-30c-2-3p) and confirmed by real-time PCR. Striatum samples were stained with hematoxylin-eosin to determine the effect of dopaminergic lesions. One-way ANOVA test and independent sample t -test were used for statistical analyses. rno-miR-204-3p was upregulated at 6-OHDA and downregulated at the 50 mg/kg dose of thymoquinone. In conclusion, thymoquinone at a dose of 50 mg/kg ameliorates symptoms of Parkinson's disease in a 6-OHDA rat model by downregulation of miR-204-3p. Also, the results showed that thymoquinone can improve locomotor activity and willing exploration and decreased anxiety. Therefore, thymoquinone can be used as a therapeutic agent.
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Affiliation(s)
- Mukaddes Pala
- Department of Physiology, Faculty of Medicine, Malatya Turgut Ozal University, Malatya
| | | | - Nilgün Pala Acikgoz
- Department of Neurology, Faculty of Medicine, Bezmialem Vakif University, Istanbul
| | - Murat Mengi
- Department of Physiology, Faculty of Medicine, Namik Kemal University, Tekirdag
| | | | - Rumeysa Unsal
- Bakirkoy Prof. Dr. Mazhar Osman Mental Health and Nervous Diseases Training and Research Hospital
| | - Yalcin Polat
- Department of Pathology, Faculty of Medicine, Biruni University
| | - Fahri Akbas
- Department of Medical Biology, Faculty of Medicine, Bezmialem Vakif University, Istanbul
| | - Senay Gorucu Yilmaz
- Department of Nutrition and Dietetics, Faculty of Health Science, Gaziantep University, Gaziantep, Turkey
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Lopes-Silva LB, Cunha DMG, Lima AC, Bioni VS, Gonçalves N, Kurita JPF, Wuo-Silva R, Silva RH. Sleep deprivation induces late deleterious effects in a pharmacological model of Parkinsonism. Exp Brain Res 2024; 242:1175-1190. [PMID: 38499659 DOI: 10.1007/s00221-024-06811-0] [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: 09/27/2023] [Accepted: 02/18/2024] [Indexed: 03/20/2024]
Abstract
Parkinson's disease is a degenerative, chronic and progressive disease, characterized by motor dysfunctions. Patients also exhibit non-motor symptoms, such as affective and sleep disorders. Sleep disorders can potentiate clinical and neuropathological features and lead to worse prognosis. The goal of this study was to evaluate the effects of sleep deprivation (SD) in mice submitted to a progressive pharmacological model of Parkinsonism (chronic administration with a low dose of reserpine). Male Swiss mice received 20 injections of reserpine (0.1 mg/kg) or vehicle, on alternate days. SD was applied before or during reserpine treatment and was performed by gentle handling for 6 h per day for 10 consecutive days. Animals were submitted to motor and non-motor behavioral assessments and neurochemical evaluations. Locomotion was increased by SD and decreased by reserpine treatment. SD during treatment delayed the onset of catalepsy, but SD prior to treatment potentiated reserpine-induced catalepsy. Thus, although SD induced an apparent beneficial effect on motor parameters, a delayed deleterious effect on alterations induced by reserpine was found. In the object recognition test, both SD and reserpine treatment produced cognitive deficits. In addition, the association between SD and reserpine induced anhedonic-like behavior. Finally, an increase in oxidative stress was found in hippocampus of mice subjected to SD, and tyrosine hydroxylase immunoreactivity was reduced in substantia nigra of reserpine-treated animals. Results point to a possible late effect of SD, aggravating the deficits in mice submitted to the reserpine progressive model of PD.
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Affiliation(s)
- L B Lopes-Silva
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - D M G Cunha
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - A C Lima
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - V S Bioni
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - N Gonçalves
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - J P F Kurita
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - R Wuo-Silva
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil
| | - R H Silva
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo (EPM/UNIFESP), Rua Botucatu, 862, Ed. Leal Prado, São Paulo, Brazil.
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Srivastava R, Choudhury PK, Dev SK, Rathore V. Alpha-pine self-emulsifying nano formulation attenuates rotenone and trichloroethylene-induced dopaminergic loss. Int J Neurosci 2024:1-18. [PMID: 38598315 DOI: 10.1080/00207454.2024.2341916] [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: 03/12/2022] [Accepted: 04/07/2024] [Indexed: 04/12/2024]
Abstract
AIM The current investigation's goals are to pharmacologically evaluate the neurotherapeutic role of the bioactive compound Alpha Pinene (ALP)-loaded Self-emulsifying nano-formulation (SENF) in neurotoxin (Rotenone and the Industrial Solvent Trichloroethylene)- induced dopaminergic loss. It is believed that these models simulate important aspects of the molecular pathogenesis of Parkinson's disease. MATERIAL AND METHODS The ALP-nano-formulation's anti-Parkinson's activity was compared to ALP suspension in Wistar rats after rotenone and trichloro ethylene-induced dopaminergic loss. Neurobehavioral and motor performances were measured on the 14th, 21st, and 28th day in the rotenone model. However, in the trichloroethylene model, it was measured from the 4th to the 8th week. RESULTS Significant neurobehavioral improvement has been found in ALP-SENF treated animals then untreated and animals treated with plain ALP suspension. Furthermore, biochemical tests reveal marked expression of catalase, glutathione, and superoxide dismutase, which significantly combat the (Oxidative stress) OS-induced neurodegeneration. CONCLUSION The antioxidant effect of ALP-SENF likely includes free radicals neutralization and the activation of enzymes associated with antioxidant activity, leading to the enhancement of neurobehavioral abnormalities caused by rotenone and trichloroethylene.
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Affiliation(s)
- Rajnish Srivastava
- Chitkara University School of Pharmacy, Chitkara University, Himachal Pradesh, India
| | - Pratim Kumar Choudhury
- Department of Pharmacy, Pacific Academy of Higher Education and Research University, Rajasthan, India
| | - Suresh Kumar Dev
- Department of Pharmacy, Pacific Academy of Higher Education and Research University, Rajasthan, India
| | - Vaibhav Rathore
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
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10
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Seiler JL, Zhuang X, Nelson AB, Lerner TN. Dopamine across timescales and cell types: Relevance for phenotypes in Parkinson's disease progression. Exp Neurol 2024; 374:114693. [PMID: 38242300 DOI: 10.1016/j.expneurol.2024.114693] [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: 09/12/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/21/2024]
Abstract
Dopamine neurons in the substantia nigra pars compacta (SNc) synthesize and release dopamine, a critical neurotransmitter for movement and learning. SNc dopamine neurons degenerate in Parkinson's Disease (PD), causing a host of motor and non-motor symptoms. Here, we review recent conceptual advances in our basic understanding of the dopamine system - including our rapidly advancing knowledge of dopamine neuron heterogeneity - with special attention to their importance for understanding PD. In PD patients, dopamine neuron degeneration progresses from lateral SNc to medial SNc, suggesting clinically relevant heterogeneity in dopamine neurons. With technical advances in dopamine system interrogation, we can understand the relevance of this heterogeneity for PD progression and harness it to develop new treatments.
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Affiliation(s)
- Jillian L Seiler
- Department of Neuroscience, Northwestern University Feinberg School of Medicine, Chicago, IL, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Xiaowen Zhuang
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA; Weill Institute for Neuroscience, University of California San Francisco, San Francisco, CA, USA; Kavli Institute for Fundamental Neuroscience, University of California San Francisco, San Francisco, CA, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Alexandra B Nelson
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA; Neuroscience Graduate Program, University of California San Francisco, San Francisco, CA, USA; Weill Institute for Neuroscience, University of California San Francisco, San Francisco, CA, USA; Kavli Institute for Fundamental Neuroscience, University of California San Francisco, San Francisco, CA, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
| | - Talia N Lerner
- Department of Neuroscience, Northwestern University Feinberg School of Medicine, Chicago, IL, USA; Northwestern University Interdepartmental Neuroscience Program (NUIN), Evanston, IL, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
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11
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Rocha GS, Freire MAM, Paiva KM, Oliveira RF, Morais PLAG, Santos JR, Cavalcanti JRLP. The neurobiological effects of senescence on dopaminergic system: A comprehensive review. J Chem Neuroanat 2024; 137:102415. [PMID: 38521203 DOI: 10.1016/j.jchemneu.2024.102415] [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: 12/26/2023] [Revised: 02/26/2024] [Accepted: 03/15/2024] [Indexed: 03/25/2024]
Abstract
Over time, the body undergoes a natural, multifactorial, and ongoing process named senescence, which induces changes at the molecular, cellular, and micro-anatomical levels in many body systems. The brain, being a highly complex organ, is particularly affected by this process, potentially impairing its numerous functions. The brain relies on chemical messengers known as neurotransmitters to function properly, with dopamine being one of the most crucial. This catecholamine is responsible for a broad range of critical roles in the central nervous system, including movement, learning, cognition, motivation, emotion, reward, hormonal release, memory consolidation, visual performance, sexual drive, modulation of circadian rhythms, and brain development. In the present review, we thoroughly examine the impact of senescence on the dopaminergic system, with a primary focus on the classic delimitations of the dopaminergic nuclei from A8 to A17. We provide in-depth information about their anatomy and function, particularly addressing how senescence affects each of these nuclei.
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Affiliation(s)
- Gabriel S Rocha
- Behavioral and Evolutionary Neurobiology Laboratory, Federal University of Sergipe (UFS), Itabaiana, Brazil
| | - Marco Aurelio M Freire
- Behavioral and Evolutionary Neurobiology Laboratory, Federal University of Sergipe (UFS), Itabaiana, Brazil
| | - Karina M Paiva
- Laboratory of Experimental Neurology, State University of Rio Grande do Norte (UERN), Mossoró, Brazil
| | - Rodrigo F Oliveira
- Laboratory of Experimental Neurology, State University of Rio Grande do Norte (UERN), Mossoró, Brazil
| | - Paulo Leonardo A G Morais
- Laboratory of Experimental Neurology, State University of Rio Grande do Norte (UERN), Mossoró, Brazil
| | - José Ronaldo Santos
- Behavioral and Evolutionary Neurobiology Laboratory, Federal University of Sergipe (UFS), Itabaiana, Brazil
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12
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Schneider I, Schönfeld R, Hanert A, Philippen S, Tödt I, Granert O, Mehdorn M, Becktepe J, Deuschl G, Berg D, Paschen S, Bartsch T. Deep brain stimulation of the subthalamic nucleus restores spatial reversal learning in patients with Parkinson's disease. Brain Commun 2024; 6:fcae068. [PMID: 38560516 PMCID: PMC10979721 DOI: 10.1093/braincomms/fcae068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/04/2024] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Spatial learning and navigation are supported by distinct memory systems in the human brain such as the hippocampus-based navigational system and the striatum-cortex-based system involved in motor sequence, habit and reversal learning. Here, we studied the role of subthalamic circuits in hippocampus-associated spatial memory and striatal-associated spatial reversal learning formation in patients with Parkinson's disease, who underwent a deep brain stimulation of the subthalamic nucleus. Deep brain stimulation patients (Parkinson's disease-subthalamic nucleus: n = 26) and healthy subjects (n = 15) were tested in a novel experimental spatial memory task based on the Morris water maze that assesses both hippocampal place memory as well as spatial reversal learning. All subjects were trained to navigate to a distinct spatial location hidden within the virtual environment during 16 learning trials in a subthalamic nucleus Stim-On condition. Patients were then randomized into two groups with either a deep brain stimulation On or Off condition. Four hours later, subjects were retested in a delayed recall and reversal learning condition. The reversal learning was realized with a new hidden location that should be memorized during six consecutive trials. The performance was measured by means of an index indicating the improvement during the reversal learning. In the delayed recall condition, neither patients, healthy subjects nor the deep brain stimulation On- versus Off groups showed a difference in place memory performance of the former trained location. In the reversal learning condition, healthy subjects (reversal index 2.0) and patients in the deep brain stimulation On condition (reversal index 1.6) showed a significant improvement. However, patients in the deep brain stimulation Off condition (reversal index 1.1) performed significantly worse and did not improve. There were no differences between all groups in a final visual guided navigation task with a visible target. These results suggest that deep brain stimulation of subthalamic nucleus restores spatial reversal learning in a virtual navigation task in patients with Parkinson's disease and gives insight into the neuromodulation effects on cognition of subthalamic circuits in Parkinson's disease.
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Affiliation(s)
- Isabel Schneider
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Robby Schönfeld
- Institute of Psychology, Martin-Luther-University Halle-Wittenberg, Halle 06108, Germany
| | - Annika Hanert
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Sarah Philippen
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Inken Tödt
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Oliver Granert
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Maximilian Mehdorn
- Department of Neurosurgery, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Jos Becktepe
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Günther Deuschl
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Daniela Berg
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Steffen Paschen
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
| | - Thorsten Bartsch
- Memory Disorders and Plasticity Group, Department of Neurology, University Hospital Schleswig-Holstein, Kiel 24105, Germany
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13
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Manca E, Noli B, Corda G, El-Hassani M, Manai A, Sanna F, Argiolas A, Melis MR, Manconi B, Contini C, Cocco C. VGF modifications related to nigrostriatal dopaminergic neurodegeneration induced by the pesticide fipronil in adult male rats. Ann Anat 2024; 252:152194. [PMID: 38056781 DOI: 10.1016/j.aanat.2023.152194] [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: 08/11/2023] [Revised: 11/16/2023] [Accepted: 11/28/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND Dopamine is reduced in the brain of rats treated with fipronil, a broad-spectrum insecticide. VGF (no acronym) is a neurotrophin-inducible protein expressed as the 75 kDa form (precursor or pro-VGF) or its truncated peptides. VGF immunostaining has been revealed using an antibody against the C-terminal nonapeptide of the rat pro-VGF in the nerve terminals of the rat substantia nigra, where it was reduced after 6-hydroxydopamine treatment. It is unknown whether pro-VGF and/or its shortened peptides are present in these neurons. Therefore, the aim of this study was first to determine which types of VGF are expressed in the normal substantia nigra (and striatum) and then to determine VGF modulations and whether they occur in parallel with locomotor changes after fipronil injection. METHODS Rats were divided into two groups that received a unilateral intranigral infusion of either fipronil (25 µg) diluted in dimethyl sulfoxide (DMSO) or DMSO alone, and then were tested for locomotor activity. An untreated group of rats (n=4) was used for identification of the VGF fragments using high performance liquid chromatography-mass spectrometry and western blot, while changes in treated groups (fipronil vs DMSO, each n=6) were investigated by immunohistochemistry using an antibody against the rat pro-VGF C-terminal nonapeptide in parallel with the anti-tyrosine hydroxylase antibody. RESULTS In untreated rats, the VGF C-terminal antibody identified mostly a 75 kDa band in the substantia nigra and striatum, supporting the finding of high-resolution mass spectrometry, which revealed fragments covering the majority of the pro-VGF sequence. Furthermore, several shortened VGF C-terminal forms (varying from 10 to 55 kDa) were also found by western blot, while high-resolution mass spectrometry revealed a C-terminal peptide overlapping the immunogen used to create the VGF antibody in both substantia nigra and striatum. In the substantia nigra of fipronil-treated rats, immunostaining for tyrosine hydroxylase and VGF was reduced compared to DMSO-treated rat group, and this was related with significant changes in locomotor activity. CONCLUSION Fipronil has the ability to modulate the production of pro-VGF and/or its C-terminal truncated peptides in the nigrostriatal system indicating its intimate interaction with the dopaminergic neurotransmission and implying a potential function in modulating locomotor activity.
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Affiliation(s)
- Elias Manca
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Barbara Noli
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Giulia Corda
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Majda El-Hassani
- Department of Internal Medicine III, University Hospital RWTH Aachen, Germany
| | - Antonio Manai
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Fabrizio Sanna
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Antonio Argiolas
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | | | - Barbara Manconi
- Department of Life Sciences and Environment, University of Cagliari, Italy
| | - Cristina Contini
- Department of Life Sciences and Environment, University of Cagliari, Italy
| | - Cristina Cocco
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy.
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14
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Shin W, Lee Y, Lim J, Lee Y, Lah JD, Lee S, Lee JU, Yu R, Lee PH, Lee JH, Kwak M, Cheon J. Nanoscale Magneto-mechanical-genetics of Deep Brain Neurons Reversing Motor Deficits in Parkinsonian Mice. NANO LETTERS 2024; 24:270-278. [PMID: 38157214 DOI: 10.1021/acs.nanolett.3c03899] [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: 01/03/2024]
Abstract
Here, we introduce the magneto-mechanical-genetic (MMG)-driven wireless deep brain stimulation (DBS) using magnetic nanostructures for therapeutic benefits in the mouse model of Parkinson's disease (PD). Electrical DBS of the subthalamic nucleus (STN) is an effective therapy for mitigating Parkinson's motor symptoms. However, its broader application is hampered by the requirement for implanted electrodes and the lack of anatomical and cellular specificity. Using the nanoscale magnetic force actuators (m-Torquer), which deliver torque force under rotating magnetic fields to activate pre-encoded Piezo1 ion channels on target neurons, our system enables wireless and STN-specific DBS without implants, addressing key unmet challenges in the DBS field. In both late- and early-stage PD mice, MMG-DBS significantly improved locomotor activity and motor balance by 2-fold compared to untreated PD mice. Moreover, MMG-DBS enabled sustained therapeutic effects. This approach provides a non-invasive and implant-free DBS with cellular targeting capability for the effective treatment of Parkinsonian symptoms.
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Affiliation(s)
- Wookjin Shin
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
| | - Yeongdo Lee
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Jueun Lim
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Youbin Lee
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Jungsu David Lah
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Somin Lee
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Jung-Uk Lee
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
| | - Ri Yu
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
| | - Phil Hyu Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul 03722, South Korea
- Department of Biomedical Science, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Jae-Hyun Lee
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Minsuk Kwak
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
| | - Jinwoo Cheon
- Center for Nanomedicine, Institute for Basic Science, Seoul 03722, Republic of Korea
- Department of Nano Biomedical Engineering, Advanced Science Institute, Yonsei University, Seoul 03722, Republic of Korea
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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15
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Zhang L, Guo Y, Liu J, Li L, Wang Y, Wu X, Bai Y, Li J, Zhang Q, Hui Y. Transcranial direct current stimulation of the prefrontal cortex improves depression-like behaviors in rats with Parkinson's disease. Brain Res 2024; 1822:148649. [PMID: 37923003 DOI: 10.1016/j.brainres.2023.148649] [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: 07/27/2023] [Revised: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
Depression associated with Parkinson's disease (PD) seriously affects patients, and there is a lack of effective treatments. Transcranial direct current stimulation (tDCS) is increasingly used as a new non-invasive neuromodulation technique in the treatment of neuropsychiatric diseases. However, there is a paucity of research on tDCS for PD-related depression. Our study used PD model rats established with unilateral destruction of the medial forebrain bundle (MFB) to observe the modulatory effects of tDCS acting on the mPFC on depression-like behaviors. We found that tDCS acting on the mPFC improved depression-like behaviors in PD model rats by increasing sucrose intake in sucrose preference test (n = 7-10 rats/group) and shortening immobility time in forced swimming test (n = 7-8 rats/group). Meanwhile, tDCS decreased the expression of c-Fos protein (n = 8-11 rats/group) and the excitation of glutamatergic neurons (n = 6-8 rats/group) in the PrL and LHb of PD model rats. Western blots showed that tDCS decreased the overexpression of serine 845 phosphorylation site of AMPA receptor GluR1 (p-GluR1-S845) in the PrL and LHb of PD model rats (n = 8-11 rats/group), and the overexpression of p-GluR1-S831 in the LHb (n = 8-11 rats/group). The results of this study show that tDCS acting on the mPFC helps to improve PD-related depression, which involves the modulation of excitability and AMPA receptor phosphorylation on the PrL and LHb neurons.
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Affiliation(s)
- Lei Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Libo Li
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yixuan Wang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Xiang Wu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yihua Bai
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Jing Li
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qiaojun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
| | - Yanping Hui
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
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Iravani MM, Shoaib M. Executive dysfunction and cognitive decline, a non-motor symptom of Parkinson's disease captured in animal models. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 174:231-255. [PMID: 38341231 DOI: 10.1016/bs.irn.2023.12.001] [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
The non-motor symptoms of Parkinson's disease (PD) have gained increasing attention in recent years due to their significant impact on patients' quality of life. Among these non-motor symptoms, cognitive dysfunction has emerged as an area of particular interest where the clinical aspects are covered in Chapter 2 of this volume. This chapter explores the rationale for investigating the underlying neurobiology of cognitive dysfunction by utilising translational animal models of PD, from rodents to non-human primates. The objective of this chapter is to review the various animal models of cognition that have explored the dysfunction in animal models of Parkinson's disease. Some of the more advanced pharmacological studies aimed at restoring these cognitive deficits are reviewed, although this chapter highlights the lack of systematic approaches in dealing with this non-motor symptom at the pre-clinical stages.
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Athari SZ, Farajdokht F, Sadigh-Eteghad S, Mohajeri D, Nourazar MA, Mohaddes G. Hydroxychloroquine attenuated motor impairment and oxidative stress in a rat 6-hydroxydopamine model of Parkinson's disease. Int J Neurosci 2023; 133:1252-1261. [PMID: 35522252 DOI: 10.1080/00207454.2022.2074848] [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: 01/26/2022] [Accepted: 04/27/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Parkinson's disease (PD) is associated with the destruction of dopaminergic neurons in the substantia nigra (SN). Hydroxychloroquine (HCQ) has the capability to cross the blood-brain barrier and promote a neuroprotective potential. This study evaluated the effects of HCQ on the 6-hydroxydopamine (6-OHDA)-induced PD model in rats. METHODS Wistar rats were randomly divided into sham, PD, PD + levodopa and PD + HCQ groups. The PD model was induced by a stereotactic administration of 6-OHDA into the left SN pars compacta (SNpc) and confirmed by rotation and the Murprogo's tests. HCQ (100 mg/kg, p.o.) and levodopa (12 mg/kg, p.o.) were administered once a day for 21 days. Three weeks after surgery, the behavioral tests were performed. Brain lipid peroxidation index (MDA), glutathione peroxidase activity (GPx), total antioxidant capacity (TAC) levels and α-synuclein protein expression in the SN were also measured. RESULTS The behavioral tests demonstrated that induction of PD increased the muscle rigidity and the number of rotations, which were reversed by HCQ treatment. Also, induction of PD was associated with an increase in α-synuclein protein levels and MDA and decreased TAC levels and GPx activity. However, HCQ decreased α-synuclein and MDA levels while increased TAC levels and GPx activity. In addition, histopathological data showed that HCQ protects dopaminergic neurons against 6-OHDA-induced toxicity. CONCLUSION According to the results, HCQ has a beneficial effect in improving PD-related pathophysiology, in part, by mitigating oxidative stress and protecting the dopaminergic neurons in the SN.
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Affiliation(s)
- Seyed Zanyar Athari
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fereshteh Farajdokht
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh-Eteghad
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Daryoush Mohajeri
- Department of Pathobiology, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Mir Alireza Nourazar
- Department of Pathobiology, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
- Department of Basic Sciences, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Gisou Mohaddes
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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18
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Dovonou A, Bolduc C, Soto Linan V, Gora C, Peralta Iii MR, Lévesque M. Animal models of Parkinson's disease: bridging the gap between disease hallmarks and research questions. Transl Neurodegener 2023; 12:36. [PMID: 37468944 PMCID: PMC10354932 DOI: 10.1186/s40035-023-00368-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/19/2023] [Indexed: 07/21/2023] Open
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by motor and non-motor symptoms. More than 200 years after its first clinical description, PD remains a serious affliction that affects a growing proportion of the population. Prevailing treatments only alleviate symptoms; there is still neither a cure that targets the neurodegenerative processes nor therapies that modify the course of the disease. Over the past decades, several animal models have been developed to study PD. Although no model precisely recapitulates the pathology, they still provide valuable information that contributes to our understanding of the disease and the limitations of our treatment options. This review comprehensively summarizes the different animal models available for Parkinson's research, with a focus on those induced by drugs, neurotoxins, pesticides, genetic alterations, α-synuclein inoculation, and viral vector injections. We highlight their characteristics and ability to reproduce PD-like phenotypes. It is essential to realize that the strengths and weaknesses of each model and the induction technique at our disposal are determined by the research question being asked. Our review, therefore, seeks to better aid researchers by ensuring a concrete discernment of classical and novel animal models in PD research.
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Affiliation(s)
- Axelle Dovonou
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada
| | - Cyril Bolduc
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada
| | - Victoria Soto Linan
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada
| | - Charles Gora
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada
| | - Modesto R Peralta Iii
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada
| | - Martin Lévesque
- CERVO Brain Research Centre, 2601, Chemin de la Canardière, Québec, QC, G1J 2G3, Canada.
- Department of Psychiatry and Neurosciences, Faculty of Medicine, Université Laval, Québec, QC, Canada.
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Cassar IR, Grill WM. The Therapeutic Frequency Profile of Subthalamic Nucleus Deep Brain Stimulation in Rats Is Shaped by Antidromic Spike Failure. J Neurosci 2023; 43:5114-5127. [PMID: 37328290 PMCID: PMC10324992 DOI: 10.1523/jneurosci.1798-22.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 05/22/2023] [Accepted: 06/10/2023] [Indexed: 06/18/2023] Open
Abstract
The therapeutic mechanisms of subthalamic nucleus (STN) deep brain stimulation (DBS) may depend on antidromic activation of cortex via the hyperdirect pathway. However, hyperdirect pathway neurons cannot reliably follow high-stimulation frequencies, and the spike failure rate appears to correlate with symptom relief as a function of stimulation frequency. We hypothesized that antidromic spike failure contributes to the cortical desynchronization caused by DBS. We measured in vivo evoked cortical activity in female Sprague Dawley rats and developed a computational model of cortical activation from STN DBS. We modeled stochastic antidromic spike failure to determine how spike failure affected the desynchronization of pathophysiological oscillatory activity in cortex. We found that high-frequency STN DBS desynchronized pathologic oscillations via the masking of intrinsic spiking through a combination of spike collision, refractoriness, and synaptic depletion. Antidromic spike failure shaped the parabolic relationship between DBS frequency and cortical desynchronization, with maximum desynchronization at ∼130 Hz. These findings reveal that antidromic spike failure plays a critical role in mediating the dependency of symptom relief on stimulation frequency.SIGNIFICANCE STATEMENT Deep brain stimulation (DBS) is a highly effective neuromodulation therapy, yet it remains uncertain why conventionally used stimulation frequencies (e.g., ∼130 Hz) are optimal. In this study, we demonstrate a potential explanation for the stimulation frequency dependency of DBS through a combination of in vivo experimental measurements and computational modeling. We show that high-frequency stimulation can desynchronize pathologic firing patterns in populations of neurons by inducing an informational lesion. However, sporadic spike failure at these high frequencies limits the efficacy of the informational lesion, yielding a parabolic profile with optimal effects at ∼130 Hz. This work provides a potential explanation for the therapeutic mechanism of DBS, and highlights the importance of considering spike failure in mechanistic models of DBS.
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Affiliation(s)
- Isaac R Cassar
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708
| | - Warren M Grill
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708
- Departments of Electrical and Computer Engineering, Neurobiology, and Neurosurgery, Duke University, Durham, North Carolina 27708
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20
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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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21
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Akanchise T, Angelova A. Ginkgo Biloba and Long COVID: In Vivo and In Vitro Models for the Evaluation of Nanotherapeutic Efficacy. Pharmaceutics 2023; 15:pharmaceutics15051562. [PMID: 37242804 DOI: 10.3390/pharmaceutics15051562] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023] Open
Abstract
Coronavirus infections are neuroinvasive and can provoke injury to the central nervous system (CNS) and long-term illness consequences. They may be associated with inflammatory processes due to cellular oxidative stress and an imbalanced antioxidant system. The ability of phytochemicals with antioxidant and anti-inflammatory activities, such as Ginkgo biloba, to alleviate neurological complications and brain tissue damage has attracted strong ongoing interest in the neurotherapeutic management of long COVID. Ginkgo biloba leaf extract (EGb) contains several bioactive ingredients, e.g., bilobalide, quercetin, ginkgolides A-C, kaempferol, isorhamnetin, and luteolin. They have various pharmacological and medicinal effects, including memory and cognitive improvement. Ginkgo biloba, through its anti-apoptotic, antioxidant, and anti-inflammatory activities, impacts cognitive function and other illness conditions like those in long COVID. While preclinical research on the antioxidant therapies for neuroprotection has shown promising results, clinical translation remains slow due to several challenges (e.g., low drug bioavailability, limited half-life, instability, restricted delivery to target tissues, and poor antioxidant capacity). This review emphasizes the advantages of nanotherapies using nanoparticle drug delivery approaches to overcome these challenges. Various experimental techniques shed light on the molecular mechanisms underlying the oxidative stress response in the nervous system and help comprehend the pathophysiology of the neurological sequelae of SARS-CoV-2 infection. To develop novel therapeutic agents and drug delivery systems, several methods for mimicking oxidative stress conditions have been used (e.g., lipid peroxidation products, mitochondrial respiratory chain inhibitors, and models of ischemic brain damage). We hypothesize the beneficial effects of EGb in the neurotherapeutic management of long-term COVID-19 symptoms, evaluated using either in vitro cellular or in vivo animal models of oxidative stress.
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Affiliation(s)
- Thelma Akanchise
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Angelina Angelova
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
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22
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Ravenhill SM, Evans AH, Crewther SG. Escalating Bi-Directional Feedback Loops between Proinflammatory Microglia and Mitochondria in Ageing and Post-Diagnosis of Parkinson's Disease. Antioxidants (Basel) 2023; 12:antiox12051117. [PMID: 37237983 DOI: 10.3390/antiox12051117] [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: 03/22/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Parkinson's disease (PD) is a chronic and progressive age-related neurodegenerative disease affecting up to 3% of the global population over 65 years of age. Currently, the underlying physiological aetiology of PD is unknown. However, the diagnosed disorder shares many common non-motor symptoms associated with ageing-related neurodegenerative disease progression, such as neuroinflammation, microglial activation, neuronal mitochondrial impairment, and chronic autonomic nervous system dysfunction. Clinical PD has been linked to many interrelated biological and molecular processes, such as escalating proinflammatory immune responses, mitochondrial impairment, lower adenosine triphosphate (ATP) availability, increasing release of neurotoxic reactive oxygen species (ROS), impaired blood brain barrier integrity, chronic activation of microglia, and damage to dopaminergic neurons consistently associated with motor and cognitive decline. Prodromal PD has also been associated with orthostatic hypotension and many other age-related impairments, such as sleep disruption, impaired gut microbiome, and constipation. Thus, this review aimed to present evidence linking mitochondrial dysfunction, including elevated oxidative stress, ROS, and impaired cellular energy production, with the overactivation and escalation of a microglial-mediated proinflammatory immune response as naturally occurring and damaging interlinked bidirectional and self-perpetuating cycles that share common pathological processes in ageing and PD. We propose that both chronic inflammation, microglial activation, and neuronal mitochondrial impairment should be considered as concurrently influencing each other along a continuum rather than as separate and isolated linear metabolic events that affect specific aspects of neural processing and brain function.
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Affiliation(s)
| | - Andrew Howard Evans
- Department of Medicine, The Walter and Eliza Hall Institute of Medical Research, Melbourne 3052, Australia
- Epworth Hospital, Richmond 3121, Australia
- Department of Neurology, Royal Melbourne Hospital, Melbourne 3050, Australia
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23
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Shen ZB, Meng HW, Meng XS, Lv ZK, Fang MY, Zhang LL, Lv ZL, Li MS, Liu AK, Han JH, Li QS, Duan YJ. Design, synthesis, and SAR study of novel flavone 1,2,4-oxadiazole derivatives with anti-inflammatory activities for the treatment of Parkinson's disease. Eur J Med Chem 2023; 255:115417. [PMID: 37137246 DOI: 10.1016/j.ejmech.2023.115417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/07/2023] [Accepted: 04/24/2023] [Indexed: 05/05/2023]
Abstract
Inflammation is one of a major feature of Parkinson's disease (PD) which poses a threat to people's health in the world. It has been reported that antioxidation and anti-inflammation have significant effects on the treatment of PD. 1,2,4-oxadiazole and flavone derivatives have remarkable antioxidant and anti-inflammatory activities. In order to find highly effective drugs for PD treatment, based on the remarkable anti-inflammatory and antioxidant activities of the 1,2,4-oxadiazole pharmacophore and the flavonoid pharmacophore, we designed and synthesized a novel series of 3-methyl-8-(3-methyl-1,2,4-oxadiazol-5-yl)-2-phenyl-4H-chromen-4-one derivatives by pharmacophore combination, and evaluated their anti-inflammatory and antioxidation activities for PD treatment. Preliminary structure-activity relationship (SAR) analysis was conducted by their inhibitory activities against reactive oxygen species (ROS) and NO release in LPS-induced BV2 Microglia cells, and the optimal compound Flo8 exhibited the most potent anti-inflammatory and antioxidant activities. Both in vivo and in vitro results showed that Flo8 inhibited neuronal apoptosis by inhibiting inflammatory and apoptotic signaling pathways. In vivo studies also showed that the compound Flo8 ameliorated motor and behavioral deficits and increased serum dopamine levels in MPTP-induced PD model mice. Taken together, this study demonstrated the compound Flo8 could be a promising agent for the treatment of PD.
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Affiliation(s)
- Zhen-Bao Shen
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Hua-Wen Meng
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Xian-She Meng
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Ze-Kun Lv
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Meng-Yuan Fang
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Lang-Lang Zhang
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Zhi-Lin Lv
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Mu-Sen Li
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - An-Kang Liu
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Ji-Hong Han
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Qing-Shan Li
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China.
| | - Ya-Jun Duan
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China; Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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24
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Ma YF, Lin YA, Huang CL, Hsu CC, Wang S, Yeh SR, Tsai YC. Lactiplantibacillus plantarum PS128 Alleviates Exaggerated Cortical Beta Oscillations and Motor Deficits in the 6-Hydroxydopamine Rat Model of Parkinson's Disease. Probiotics Antimicrob Proteins 2023; 15:312-325. [PMID: 34449056 DOI: 10.1007/s12602-021-09828-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/29/2021] [Indexed: 10/20/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by midbrain dopaminergic neuronal loss and subsequent physical impairments. Levodopa manages symptoms best, while deep brain stimulation (DBS) is effective for advanced PD patients; however, side effects occur with the diminishing therapeutic window. Recently, Lactiplantibacillus plantarum PS128 (PS128) was found to elevate dopamine levels in rodent brains, suggesting its potential to prevent PD. Here, the therapeutic efficacy of PS128 was examined in the 6-hydroxydopamine rat PD model. Suppression of the power spectral density of beta oscillations (beta PSD) in the primary motor cortex (M1) was recorded as the indicator of disease progression. We found that 6 weeks of daily PS128 supplementation suppressed M1 beta PSD as well as did levodopa and DBS. Long-term normalization of M1 beta PSD was found in PS128-fed rats, whereas levodopa and DBS showed only temporal effects. PS128 + levodopa and PS128 + DBS exhibited better therapeutic effects than did levodopa + DBS or either alone. Significantly improved motor functions in PS128-fed rats were correlated with normalization of M1 beta PSD. Brain tissue analyses further demonstrated the role of PS128 in dopaminergic neuroprotection and the enhanced availability of neurotransmitters. These findings suggest that psychobiotic PS128 might be used alongside conventional therapies to treat PD patients.
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Affiliation(s)
- Yi-Fan Ma
- Biomedical Industry Ph.D. Program, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
| | - Yi-An Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 300, Taiwan
- EzInstrument Technology Co., Ltd., Hsinchu, 300, Taiwan
| | - Chin-Lin Huang
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
- Bened Biomedical Co., Ltd., Taipei, 104, Taiwan
| | | | - Sabrina Wang
- Institute of Anatomy and Cell Biology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
| | - Shih-Rung Yeh
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 300, Taiwan.
| | - Ying-Chieh Tsai
- Biomedical Industry Ph.D. Program, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
- Microbiome Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
- Institute of Biochemistry and Molecular Biology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.
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25
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Ilardi CR, di Maio G, Villano I, Messina G, Monda V, Messina A, Porro C, Panaro MA, Gamboz N, Iavarone A, La Marra M. The assessment of executive functions to test the integrity of the nigrostriatal network: A pilot study. Front Psychol 2023; 14:1121251. [PMID: 37063521 PMCID: PMC10090354 DOI: 10.3389/fpsyg.2023.1121251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
BackgroundParkinson’s disease (PD) is a chronic neurodegenerative disorder characterized by motor and non-motor symptoms. The latter mainly include affective, sleep, and cognitive deficits. Non-demented PD patients often demonstrate impairments in several executive domains following neuropsychological evaluation. The current pilot study aims at assessing the discriminatory power of the Frontal Assessment Battery-15 (FAB15) in differentiating (i) non-demented PD patients and healthy controls and (ii) PD patients with more and less pronounced motor symptoms.MethodsThirty-nine non-demented early-stage PD patients in the “on” dopamine state (26 females, mean age = 64.51 years, SD = 6.47, mean disease duration = 5.49 years, SD = 2.28) and 39 healthy participants (24 females, mean age = 62.60 years, SD = 5.51) were included in the study. All participants completed the FAB15. Motor symptoms of PD patients were quantified via the Unified Parkinson’s Disease Rating Scale-Part III (UPDRS-Part III) and Hoehn and Yahr staging scale (H&Y).ResultsThe FAB15 score, adjusted according to normative data for sex, age, and education, proved to be sufficiently able to discriminate PD patients from healthy controls (AUC = 0.69 [95% CI 0.60–0.75], SE = 0.06, p = 0.04, optimal cutoff = 11.29). Conversely, the battery lacked sufficient discriminative capability to differentiate PD patients based on the severity of motor symptoms.ConclusionThe FAB15 may be a valid tool for distinguishing PD patients from healthy controls. However, it might be less sensitive in identifying clinical phenotypes characterized by visuospatial impairments resulting from posteroparietal and/or temporal dysfunctions. In line with previous evidence, the battery demonstrated to be not expendable in the clinical practice for monitoring the severity of PD-related motor symptoms.
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Affiliation(s)
| | - Girolamo di Maio
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Ines Villano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
- *Correspondence: Ines Villano,
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Vincenzo Monda
- Department of Movement Sciences and Wellbeing, University of Naples “Parthenope”, Naples, Italy
| | - Antonietta Messina
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Bari, Italy
| | - Nadia Gamboz
- Laboratory of Experimental Psychology, Suor Orsola Benincasa University, Naples, Italy
| | | | - Marco La Marra
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
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Embryoid Body Cells from Human Embryonic Stem Cells Overexpressing Dopaminergic Transcription Factors Survive and Initiate Neurogenesis via Neural Rosettes in the Substantia Nigra. Brain Sci 2023; 13:brainsci13020329. [PMID: 36831872 PMCID: PMC9954545 DOI: 10.3390/brainsci13020329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/06/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
Transplantation of immature dopaminergic neurons or neural precursors derived from embryonic stem cells (ESCs) into the substantia nigra pars compacta (SNpc) is a potential therapeutic approach for functional restitution of the nigrostriatal pathway in Parkinson's disease (PD). However, further studies are needed to understand the effects of the local microenvironment on the transplanted cells to improve survival and specific differentiation in situ. We have previously reported that the adult SNpc sustains a neurogenic microenvironment. Non-neuralized embryoid body cells (EBCs) from mouse ESCs (mESCs) overexpressing the dopaminergic transcription factor Lmx1a gave rise to many tyrosine hydroxylase (Th+) cells in the intact and damaged adult SNpc, although only for a short-term period. Here, we extended our study by transplanting EBCs from genetically engineered naive human ESC (hESC), overexpressing the dopaminergic transcription factors LMX1A, FOXA2, and OTX2 (hESC-LFO), in the SNpc. Unexpectedly, no graft survival was observed in wild-type hESC EBCs transplants, whereas hESC-LFO EBCs showed viability in the SNpc. Interestingly, neural rosettes, a developmental hallmark of neuroepithelial tissue, emerged at 7- and 15-days post-transplantation (dpt) from the hESC-LFO EBCs. Neural rosettes expressed specification dopaminergic markers (Lmx1a, Otx2), which gave rise to several Th+ cells at 30 dpt. Our results suggest that the SNpc enables the robust initiation of neural differentiation of transplanted human EBCs prompted to differentiate toward the midbrain dopaminergic phenotype.
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Akanchise T, Angelova A. Potential of Nano-Antioxidants and Nanomedicine for Recovery from Neurological Disorders Linked to Long COVID Syndrome. Antioxidants (Basel) 2023; 12:antiox12020393. [PMID: 36829952 PMCID: PMC9952277 DOI: 10.3390/antiox12020393] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/27/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Long-term neurological complications, persisting in patients who cannot fully recover several months after severe SARS-CoV-2 coronavirus infection, are referred to as neurological sequelae of the long COVID syndrome. Among the numerous clinical post-acute COVID-19 symptoms, neurological and psychiatric manifestations comprise prolonged fatigue, "brain fog", memory deficits, headache, ageusia, anosmia, myalgias, cognitive impairments, anxiety, and depression lasting several months. Considering that neurons are highly vulnerable to inflammatory and oxidative stress damages following the overproduction of reactive oxygen species (ROS), neuroinflammation and oxidative stress have been suggested to dominate the pathophysiological mechanisms of the long COVID syndrome. It is emphasized that mitochondrial dysfunction and oxidative stress damages are crucial for the pathogenesis of neurodegenerative disorders. Importantly, antioxidant therapies have the potential to slow down and prevent disease progression. However, many antioxidant compounds display low bioavailability, instability, and transport to targeted tissues, limiting their clinical applications. Various nanocarrier types, e.g., liposomes, cubosomes, solid lipid nanoparticles, micelles, dendrimers, carbon-based nanostructures, nanoceria, and other inorganic nanoparticles, can be employed to enhance antioxidant bioavailability. Here, we highlight the potential of phytochemical antioxidants and other neuroprotective agents (curcumin, quercetin, vitamins C, E and D, melatonin, rosmarinic acid, N-acetylcysteine, and Ginkgo Biloba derivatives) in therapeutic strategies for neuroregeneration. A particular focus is given to the beneficial role of nanoparticle-mediated drug-delivery systems in addressing the challenges of antioxidants for managing and preventing neurological disorders as factors of long COVID sequelae.
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28
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Ren Z, Ding H, Zhou M, Yang N, Liu Y, Chan P. 5-(4-Hydroxy-3-dimethoxybenzylidene)-thiazolidinone improves motor functions and exerts antioxidant potential in hemiparkinsonian rats. Behav Pharmacol 2023; 34:68-77. [PMID: 36730023 DOI: 10.1097/fbp.0000000000000712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Our previous study demonstrated that 5-(4-hydroxy-3-dimethoxybenzylidene)-thiazolidinone (RD-1), one of rhodamine derivatives, significantly improves motor function in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine mice model and could minimize mitochondrial impairment, which is a potential therapeutic target to slow down the dopaminergic neurodegeneration in Parkinson's disease. To further evaluate its therapeutic and antioxidative potential in Parkinson's disease, the current study was designed to explore the effect of RD-1 on hemiparkinsonian rats following unilateral 6-hydroxydopamine lesions. Motor functional behavioral tests, including apomorphine-induced rotational analysis and beam walking tests, were assessed. Our results showed that oral RD-1 administration for 2 weeks alleviated beam walking disability, but not the rotational behavior. Furthermore, compared to the sham group, tyrosine hydroxylase- (TH-) positive neurons in the substantia nigra pars compacta and fibers in the striatum were significantly preserved in the RD-1 treatment group. The abnormal activities of superoxide dismutase, catalase, and glutathione peroxidase and contents of MDA were evidently ameliorated by RD-1, at least partly. We conclude that RD-1 could improve motor functions and alleviate the loss of dopaminergic expression in the nigrostriatal pathway of Parkinson's disease rats, and the protective mechanism of RD-1 against neurodegeneration was possibly via its modulation of antioxidation.
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Affiliation(s)
- Zhili Ren
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics
| | - Hui Ding
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics
| | - Ming Zhou
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics
| | - Nan Yang
- Department of Pharmacology, Institute of Basic Medical Sciences, Peking Union Medical College, Beijing, China
| | - Yanyong Liu
- Department of Pharmacology, Institute of Basic Medical Sciences, Peking Union Medical College, Beijing, China
| | - Piu Chan
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics
- Advanced Innovation Center for Human Brain Protection, Capital Medical University
- Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Clinical Center for Parkinson's Disease, Capital Medical University
- Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University
- National Clinical Research Center for Geriatric Disorders
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29
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Qiu J, Peng G, Tang Y, Li S, Liu Z, Zheng J, Wang Y, Liu H, Wei L, Su Y, Lin Y, Dai W, Zhang Z, Chen X, Ding L, Guo W, Zhu X, Xu P, Mo M. Lipid profiles in the cerebrospinal fluid of rats with 6-hydroxydopamine-induced lesions as a model of Parkinson's disease. Front Aging Neurosci 2023; 14:1077738. [PMID: 36742201 PMCID: PMC9895836 DOI: 10.3389/fnagi.2022.1077738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 12/30/2022] [Indexed: 01/21/2023] Open
Abstract
Background Parkinson's disease (PD) is a progressive neurodegenerative disease with characteristic pathological abnormalities, including the loss of dopaminergic (DA) neurons, a dopamine-depleted striatum, and microglial activation. Lipid accumulation exhibits a close relationship with these pathologies in PD. Methods Here, 6-hydroxydopamine (6-OHDA) was used to construct a rat model of PD, and the lipid profile in cerebrospinal fluid (CSF) obtained from model rats was analyzed using lipidomic approaches. Results Establishment of this PD model was confirmed by apomorphine-induced rotation behaviors, loss of DA neurons, depletion of dopamine in the striatum, and microglial activation after 6-OHDA-induced lesion generation. Unsupervised and supervised methods were employed for lipid analysis. A total of 172 lipid species were identified in CSF and subsequently classified into 18 lipid families. Lipid families, including eicosanoids, triglyceride (TG), cholesterol ester (CE), and free fatty acid (FFA), and 11 lipid species exhibited significantly altered profiles 2 weeks after 6-OHDA administration, and significant changes in eicosanoids, TG, CE, CAR, and three lipid species were noted 5 weeks after 6-OHDA administration. During the period of 6-OHDA-induced lesion formation, the lipid families and species showed concentration fluctuations related to the recovery of behavior and nigrostriatal abnormalities. Correlation analysis showed that the levels of eicosanoids, CE, TG families, and TG (16:0_20:0_18:1) exhibited positive relationships with apomorphine-induced rotation behaviors and negative relationships with tyrosine hydroxylase (TH) expression in the midbrain. Conclusion These results revealed that non-progressive nigrostriatal degeneration induced by 6-OHDA promotes the expression of an impairment-related lipidomic signature in CSF, and the level of eicosanoids, CE, TG families, and TG (16:0_20:0_18:1) in CSF may reveal pathological changes in the midbrain after 6-OHDA insult.
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Affiliation(s)
- Jiewen Qiu
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Guoyou Peng
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuting Tang
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shiyin Li
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zengfu Liu
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiayun Zheng
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yunxin Wang
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hanqun Liu
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lijian Wei
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yilin Su
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuwan Lin
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wei Dai
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhiling Zhang
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiang Chen
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Liuyan Ding
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wenyuan Guo
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaoqin Zhu
- Department of Physiology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China,Xiaoqin Zhu,
| | - Pingyi Xu
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China,Pingyi Xu,
| | - Mingshu Mo
- Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China,Department of Internal Medicine, Huilai People’s Hospital, Jieyang, China,*Correspondence: Mingshu Mo,
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30
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Schümann F, Schmitt O, Wree A, Hawlitschka A. Distribution of Cleaved SNAP-25 in the Rat Brain, following Unilateral Injection of Botulinum Neurotoxin-A into the Striatum. Int J Mol Sci 2023; 24:ijms24021685. [PMID: 36675200 PMCID: PMC9865012 DOI: 10.3390/ijms24021685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 01/18/2023] Open
Abstract
In Parkinson's disease, hypercholinism in the striatum occurs, with the consequence of disturbed motor functions. Direct application of Botulinum neurotoxin-A in the striatum of hemi-Parkinsonian rats might be a promising anticholinergic therapeutic option. Here, we aimed to determine the spread of intrastriatally injected BoNT-A in the brain as well as the duration of its action based on the distribution of cleaved SNAP-25. Rats were injected with 1 ng of BoNT-A into the right striatum and the brains were examined at different times up to one year after treatment. In brain sections immunohistochemically stained for BoNT-A, cleaved SNAP-25 area-specific densitometric analyses were performed. Increased immunoreactivity for cleaved SNAP-25 was found in brain regions other than the unilaterally injected striatum. Most cleaved SNAP-25-ir was found in widespread areas ipsilateral to the BoNT-A injection, in some regions, however, immunoreactivity was also measured in the contralateral hemisphere. There was a linear relationship between the distance of a special area from the injected striatum and the time until its maximum averaged immunoreactivity was reached. Moreover, we observed a positive relationship for the area-specific distance from the injected striatum and its maximum immunoreactivity as well as for the connection density with the striatum and its maximum immunoreactivity. The results speak for a bidirectional axonal transport of BoNT-A after its application into the striatum to its widespread connected parts of the brain. Even one year after BoNT-A injection, cleaved SNAP-25 could still be detected.
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Affiliation(s)
- Friederike Schümann
- Institute of Anatomy, Rostock University Medical Center, Gertrudenstraße 9, 18057 Rostock, Germany
| | - Oliver Schmitt
- Institute of Anatomy, Rostock University Medical Center, Gertrudenstraße 9, 18057 Rostock, Germany
- Medical School Hamburg, Am Kaiserkai 1, 20457 Hamburg, Germany
| | - Andreas Wree
- Institute of Anatomy, Rostock University Medical Center, Gertrudenstraße 9, 18057 Rostock, Germany
| | - Alexander Hawlitschka
- Institute of Anatomy, Rostock University Medical Center, Gertrudenstraße 9, 18057 Rostock, Germany
- Correspondence:
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31
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Lipari N, Centner A, Glinski J, Cohen S, Manfredsson FP, Bishop C. Characterizing the relationship between L-DOPA-induced-dyskinesia and psychosis-like behaviors in a bilateral rat model of Parkinson's disease. Neurobiol Dis 2023; 176:105965. [PMID: 36526089 DOI: 10.1016/j.nbd.2022.105965] [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: 10/12/2022] [Revised: 11/30/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Parkinson's disease associated psychosis (PDAP) is a prevalent non-motor symptom (NMS) that significantly erodes patients' and caregivers' quality of life yet remains vastly understudied. One potential source of PDAP in late-stage Parkinson's disease (PD) is the common dopamine (DA) replacement therapy for motor symptoms, Levodopa (L-DOPA). Given the high incidence of L-DOPA-induced dyskinesia (LID) in later phases of PD, this study sought to characterize the relationship between PDAP and LID in a bilateral medial forebrain bundle 6-hydroxydopamine hydrobromide (6-OHDA) lesion rat model. To assess PDAP in this model, prepulse inhibition (PPI), a well-validated assay of sensorimotor gating, was employed. First, we tested whether a bilateral lesion alone or after chronic L-DOPA treatment was sufficient to induce PPI dysfunction. Rats were also monitored for LID development, using the abnormal involuntary movements (AIMs) test, to examine PPI and LID associations. In experiment 2, Vilazodone (VZD), a serotonin transporter (SERT) blocker and 1A receptor (5-HT1A) partial agonist was administered to test its potential efficacy in reducing LID and PPI dysfunction. Once testing was complete, tissue was collected for high performance liquid chromatography (HPLC) to examine the monoamine levels in motor and non-motor circuits. Results indicate that bilateral DA lesions produced motor deficits and that chronic L-DOPA induced moderate AIMs; importantly, rats that developed more severe AIMs were more likely to display sensorimotor gating dysfunction. In addition, VZD treatment dose-dependently reduced L-DOPA-induced AIMs without impairing L-DOPA efficacy, although VZD's effects on PPI were limited. Altogether, this project established the bilateral 6-OHDA lesion model accurately portrayed LID and PDAP-like behaviors, uncovered their potential relationship, and finally, demonstrated the utility of VZD for reducing LID.
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Affiliation(s)
- Natalie Lipari
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Ashley Centner
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - John Glinski
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Sophie Cohen
- Department of Psychology, Binghamton University, Binghamton, NY, USA
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32
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Teal LB, Ingram SM, Bubser M, McClure E, Jones CK. The Evolving Role of Animal Models in the Discovery and Development of Novel Treatments for Psychiatric Disorders. ADVANCES IN NEUROBIOLOGY 2023; 30:37-99. [PMID: 36928846 DOI: 10.1007/978-3-031-21054-9_3] [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: 03/18/2023]
Abstract
Historically, animal models have been routinely used in the characterization of novel chemical entities (NCEs) for various psychiatric disorders. Animal models have been essential in the in vivo validation of novel drug targets, establishment of lead compound pharmacokinetic to pharmacodynamic relationships, optimization of lead compounds through preclinical candidate selection, and development of translational measures of target occupancy and functional target engagement. Yet, with decades of multiple NCE failures in Phase II and III efficacy trials for different psychiatric disorders, the utility and value of animal models in the drug discovery process have come under intense scrutiny along with the widespread withdrawal of the pharmaceutical industry from psychiatric drug discovery. More recently, the development and utilization of animal models for the discovery of psychiatric NCEs has undergone a dynamic evolution with the application of the Research Domain Criteria (RDoC) framework for better design of preclinical to clinical translational studies combined with innovative genetic, neural circuitry-based, and automated testing technologies. In this chapter, the authors will discuss this evolving role of animal models for improving the different stages of the discovery and development in the identification of next generation treatments for psychiatric disorders.
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Affiliation(s)
- Laura B Teal
- Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
- Warren Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, USA
| | - Shalonda M Ingram
- Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
- Warren Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, USA
| | - Michael Bubser
- Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
- Warren Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, USA
| | - Elliott McClure
- College of Pharmacy and Health Sciences, Lipscomb University, Nashville, TN, USA
| | - Carrie K Jones
- Department of Pharmacology, Vanderbilt University, Nashville, TN, USA.
- Warren Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, USA.
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Gubinelli F, Sarauskyte L, Venuti C, Kulacz I, Cazzolla G, Negrini M, Anwer D, Vecchio I, Jakobs F, Manfredsson F, Davidsson M, Heuer A. Characterisation of functional deficits induced by AAV overexpression of alpha-synuclein in rats. CURRENT RESEARCH IN NEUROBIOLOGY 2022; 4:100065. [PMID: 36632447 PMCID: PMC9827042 DOI: 10.1016/j.crneur.2022.100065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
Background In the last decades different preclinical animal models of Parkinson's disease (PD) have been generated, aiming to mimic the progressive neuronal loss of midbrain dopaminergic (DA) cells as well as motor and non-motor impairment. Among all the available models, AAV-based models of human alpha-synuclein (h-aSYN) overexpression are promising tools for investigation of disease progression and therapeutic interventions. Objectives The goal with this work was to characterise the impairment in motor and non-motor domains following nigrostriatal overexpression of h-aSYN and correlate the behavioural deficits with histological assessment of associated pathology. Methods Intranigral injection of an AAV9 expressing h-aSYN was compared with untreated animals, 6-OHDA and AAV9 expressing either no transgene or GFP. The animals were assessed on a series of simple and complex behavioural tasks probing motor and non-motor domains. Post-mortem neuropathology was analysed using immunohistochemical methods. Results Overexpression of h-aSYN led to progressive degeneration of DA neurons of the SN and axonal terminals in the striatum (STR). We observed extensive nigral and striatal pathology, resembling that of human PD brain, as well as the development of stable progressive deficit in simple motor tasks and in non-motor domains such as deficits in motivation and lateralised neglect. Conclusions In the present work we characterized a rat model of PD that closely resembles human PD pathology at the histological and behavioural level. The correlation of cell loss with behavioural performance enables the selection of rats which can be used in neuroprotective or neurorestorative therapies.
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Affiliation(s)
- F. Gubinelli
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - L. Sarauskyte
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - C. Venuti
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - I. Kulacz
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - G. Cazzolla
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - M. Negrini
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - D. Anwer
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - I. Vecchio
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - F. Jakobs
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - F.P. Manfredsson
- Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA
| | - M. Davidsson
- Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA,Molecular Neuromodulation, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - A. Heuer
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden,Corresponding author. Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Sölvegatan 19, 22 184, Lund, Sweden.
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34
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Zhang L, Li Q. Neuroprotective effects of tanshinone IIA in experimental model of Parkinson disease in rats. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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35
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Role of gut microbiota-derived branched-chain amino acids in the pathogenesis of Parkinson's disease: An animal study. Brain Behav Immun 2022; 106:307-321. [PMID: 36126853 DOI: 10.1016/j.bbi.2022.09.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/14/2022] [Accepted: 09/13/2022] [Indexed: 11/22/2022] Open
Abstract
Neuroinflammation caused by the disorder of gut microbiota and its metabolites is associated with the pathogenesis of Parkinson's disease (PD). Thus, it is necessary to identify certain molecules derived from gut microbiota to verify whether they could become intervention targets for the treatment of PD. The branched-chain amino acids (BCAAs), as a common dietary supplement, could modulate brain function. Herein, we investigated the longitudinal shifts of microbial community in mice treated with rotenone for 0, 3 and 4 weeks by 16S rRNA gene sequencing to identify the microbial markers at different PD stages. Serum BCAAs were determined by gas chromatography-mass spectrometry. Then, rotenone-induced mice were given a high BCAA diet to evaluate the motor and non-motor functions, dopaminergic neuron loss, and inflammation levels. Using a PD mouse model, we discovered that during PD progression, the alterations of gut microbiota compositions led to the peripheral decrease of BCAAs. Based on the serum lipopolysaccharide binding protein concentrations and the levels of pro-inflammatory factors (including tumor necrosis factor-α, interleukin [IL]-1β, and IL-6) in the colon and substantia nigra, we found that the high BCAA diet could attenuate the inflammatory levels in PD mice, and reverse motor and non-motor dysfunctions and dopaminergic neuron impairment. Together, our results emphasize the dynamic changes of gut microbiota and BCAA metabolism and propose a novel strategy for PD therapy: a high BCAA diet intervention could improve PD progression by regulating the levels of inflammation.
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36
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Bonaccorso Marinelli MP, Baiardi G, Valdez SR, Cabrera RJ. Automated quantification of dopaminergic immunostained neurons in substantia nigra using freely available software. Med Biol Eng Comput 2022; 60:2995-3007. [DOI: 10.1007/s11517-022-02643-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 08/09/2022] [Indexed: 10/15/2022]
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37
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Yan Z, Li R, Shi W, Yao L. Role of the gut-microbiota-metabolite axis in the rotenone model of early-stage Parkinson's Disease. Metab Brain Dis 2022; 37:2511-2520. [PMID: 35895243 DOI: 10.1007/s11011-022-01004-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 05/09/2022] [Indexed: 10/16/2022]
Abstract
Gastrointestinal symptoms are common in the early-stage Parkinson's disease (PD), but its potential pathogenesis remains unclear. Therefore, in the present study, we used the 16S ribosomal RNA gene sequencing and gas chromatography coupled with mass spectrometry-based metabolomics to investigate the alterations of gut microbiome and serum amino acid levels in the early-stage PD mice model induced with rotenone. The results demonstrated that the microbial taxa at phylum, family and genus levels remarkably altered in rotenone-induced mice relative to vehicle-induced mice. The rotenone-induced mice had higher relative abundance of Flavobacteriaceae, Staphylococcaceae, and Prevotellaceae as well as lower relative abundance of Lachnospiraceae_UCG-001, Ruminiclostridium, and Prevotellaceae_NK3B31_group than vehicle-induced mice. The evaluation of serum amino acids revealed the alterations in several classes of amino acids, including L-proline, L-alanine, L-serine, L-asparagine, L-threonine, L-glutamine, L-methionine, and L-4-hydroxyproline. Notably, the altered serum amino acid levels were significantly associated with the abundance of gut microbiota, especially Ruminococcaceae and Ruminiclostridium. Our study explored the possible role of the gut-microbiota-metabolite axis in the early-stage PD and provided the possibility of prevention and treatment of PD by gut-microbiota-metabolite axis in the future.
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Affiliation(s)
- Zhenzhen Yan
- First Affiliated Hospital of Harbin Medical University, Harbin, 150080, Heilongjiang Province, China
| | - Ruihua Li
- First Affiliated Hospital of Harbin Medical University, Harbin, 150080, Heilongjiang Province, China
| | - Wanying Shi
- First Affiliated Hospital of Harbin Medical University, Harbin, 150080, Heilongjiang Province, China
| | - Lifen Yao
- First Affiliated Hospital of Harbin Medical University, Harbin, 150080, Heilongjiang Province, China.
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38
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Lee DW, Ryu YK, Chang DH, Park HY, Go J, Maeng SY, Hwang DY, Kim BC, Lee CH, Kim KS. Agathobaculum butyriciproducens Shows Neuroprotective Effects in a 6-OHDA-Induced Mouse Model of Parkinson's Disease. J Microbiol Biotechnol 2022; 32:1168-1177. [PMID: 36168204 PMCID: PMC9628974 DOI: 10.4014/jmb.2205.05032] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/23/2022] [Accepted: 08/29/2022] [Indexed: 12/15/2022]
Abstract
Parkinson's disease (PD) is the second-most prevalent neurodegenerative disease and is characterized by dopaminergic neuronal death in the midbrain. Recently, the association between alterations in PD pathology and the gut microbiota has been explored. Microbiota-targeted interventions have been suggested as a novel therapeutic approach for PD. Agathobaculum butyriciproducens SR79T (SR79) is an anaerobic bacterium. Previously, we showed that SR79 treatment induced cognitive improvement and reduced Alzheimer's disease pathologies in a mouse model. In this study, we hypothesized that SR79 treatment may have beneficial effects on PD pathology. To investigate the therapeutic effects of SR79 on PD, 6-hydroxydopamine (6-OHDA)-induced mouse models were used. D-Amphetamine sulfate (d-AMPH)-induced behavioral rotations and dopaminergic cell death were analyzed in unilateral 6-OHDA-lesioned mice. Treatment with SR79 significantly decreased ipsilateral rotations induced by d-AMPH. Moreover, SR79 treatment markedly activated the AKT/GSK3β signaling pathway in the striatum. In addition, SR79 treatment affected the Nrf2/ARE signaling pathway and its downstream target genes in the striatum of 6-OHDA-lesioned mice. Our findings suggest a protective role of SR79 in 6-OHDA-induced toxicity by regulating the AKT/Nrf2/ARE signaling pathway and astrocyte activation. Thus, SR79 may be a potential microbe-based intervention and therapeutic strategy for PD.
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Affiliation(s)
- Da Woon Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea,Department of Biomaterials Science, College of Natural Resources and Life Science and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Young-Kyoung Ryu
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Dong-Ho Chang
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Hye-Yeon Park
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Jun Go
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - So-Young Maeng
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea,College of Biosciences and Biotechnology, Chung-Nam National University, Daejeon 34134, Republic of Korea
| | - Dae Youn Hwang
- Department of Biomaterials Science, College of Natural Resources and Life Science and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Byoung-Chan Kim
- Microbiome Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea,HealthBiome, Inc., Daejeon 34141, Republic of Korea
| | - Chul-Ho Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea,Department of Biosystems and Bioengineering, University of Science and Technology (UST), Daejeon 34113, Republic of Korea,Corresponding authors C.H. Lee E-mail:
| | - Kyoung-Shim Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea,
K.S. Kim Phone: 82-42-860-4634 Fax : 82-42-860-4609 E-mail:
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Xiong C, Zhu Y, Luo Q, Phan CW, Huo Y, Li P, Li Q, Jin X, Huang W. Neuroprotective effects of a novel peptide from
Lignosus rhinocerotis
against 6‐hydroxydopamine‐induced apoptosis in
PC12
cells by inhibiting
NF‐κB
activation. Food Sci Nutr 2022; 11:2152-2165. [PMID: 37181320 PMCID: PMC10171544 DOI: 10.1002/fsn3.3050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 08/07/2022] [Accepted: 08/22/2022] [Indexed: 11/11/2022] Open
Abstract
According to previous studies, oxidative stress is a leading cause of dopaminergic neuron death and may contribute to the pathogenesis of Parkinson's disease (PD). In the current study, we used chromatography of gel filtration to identify a novel peptide (Lignosus rhinocerotis peptide [LRP]) from the sclerotium of Lignosus rhinocerotis (Cooke) Ryvarden. Its neuroprotective effect was evaluated using an in vitro PD model constructed by 6-hydroxydopamine (6-OHDA)-stimulated to apoptosis in PC12 cells. The molecular weight of LRP is determined as 1532 Da and the secondary structure is irregular. The simple amino acid sequence of LRP is Thr-Leu-Ala-Pro-Thr-Phe-Leu-Ser-Ser-Leu-Gly-Pro-Cys-Leu-Leu. Notably, LRP has the ability to significantly boost the viability of PC12 cells after exposure to 6-OHDA, as well as enhance the cellular activity of antioxidative enzymes like superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px). LRP also lowers the level of malondialdehyde (MDA), decreases the activation performance of Caspase-3, and reduces 6-OHDA-induced apoptosis via inhibition of nuclear factor-kappa B (NF-κB) activation. These data indicate that LRP may have the potential to act as a neuroprotective agent.
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Affiliation(s)
- Chuan Xiong
- Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural Sciences Chengdu China
| | - Yu Zhu
- Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural Sciences Chengdu China
| | - Qiang Luo
- The Second Affiliated Hospital Chongqing Medical University Chongqing China
| | - Chia Wei Phan
- Mushroom Research Centre Universiti Malaya Kuala Lumpur Malaysia
- Department of Pharmaceutical Life Sciences Faculty of Pharmacy Universiti Malaya Kuala Lumpur Malaysia
| | - Yujie Huo
- Yunnan Plateau Characteristic Agricultural Industry Research Institute Yunnan Agricultural University Kunming China
| | - Ping Li
- Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural Sciences Chengdu China
| | - Qiang Li
- College of Food and Biological Engineering Chengdu University Chengdu China
| | - Xin Jin
- Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural Sciences Chengdu China
| | - Wenli Huang
- Biotechnology and Nuclear Technology Research Institute Sichuan Academy of Agricultural Sciences Chengdu China
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40
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Patricio F, Morales Dávila E, Patricio-Martínez A, Arana Del Carmen N, Martínez I, Aguilera J, Perez-Aguilar JM, Limón ID. Intrapallidal injection of cannabidiol or a selective GPR55 antagonist decreases motor asymmetry and improves fine motor skills in hemiparkinsonian rats. Front Pharmacol 2022; 13:945836. [PMID: 36120297 PMCID: PMC9479130 DOI: 10.3389/fphar.2022.945836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/09/2022] [Indexed: 11/28/2022] Open
Abstract
Cannabidiol (CBD) presents antiparkinsonian properties and neuromodulatory effects, possibly due to the pleiotropic activity caused at multiple molecular targets. Recently, the GPR55 receptor has emerged as a molecular target of CBD. Interestingly, GPR55 mRNA is expressed in the external globus pallidus (GPe) and striatum, hence, it has been suggested that its activity is linked to motor dysfunction in Parkinson’s disease (PD). The present study aimed to evaluate the effect of the intrapallidal injection of both CBD and a selective GPR55 antagonist (CID16020046) on motor asymmetry, fine motor skills, and GAD-67 expression in hemiparkinsonian rats. The hemiparkinsonian animal model applied involved the induction of a lesion in male Wistar rats via the infusion of the neurotoxin 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle via stereotaxic surgery. After a period of twenty days, a second surgical procedure was performed to implant a guide cannula into the GPe. Seven days later, lysophosphatidylinositol (LPI), CBD, or CID16020046 were injected once a day for three consecutive days (from the 28th to the 30th day post-lesion). Amphetamine-induced turning behavior was evaluated on the 14th and 30th days post-injury. The staircase test and fine motor skills were evaluated as follows: the rats were subject to a ten-day training period prior to the 6-OHDA injury; from the 15th to the 19th days post-lesion, the motor skills alterations were evaluated under basal conditions; and, from the 28th to the 30th day post-lesion, the pharmacological effects of the drugs administered were evaluated. The results obtained show that the administration of LPI or CBD generated lower levels of motor asymmetry in the turning behavior of hemiparkinsonian rats. It was also found that the injection of CBD or CID16020046, but not LPI, in the hemiparkinsonian rats generated significantly superior performance in the staircase test, in terms of the use of the forelimb contralateral to the 6-OHDA-induced lesion, when evaluated from the 28th to the 30th day post-lesion. Similar results were also observed for superior fine motor skills performance for pronation, grasp, and supination. Finally, the immunoreactivity levels were found to decrease for the GAD-67 enzyme in the striatum and the ipsilateral GPe of the rats injected with CBD and CID16020046, in contrast with those lesioned with 6-OHDA. The results obtained suggest that the inhibitory effects of CBD and CID16020046 on GPR55 in the GPe could be related to GABAergic overactivation in hemiparkinsonism, thus opening new perspectives to explain, at a cellular level, the reversal of the motor impairment observed in PD models.
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Affiliation(s)
- Felipe Patricio
- Laboratorio de Neurofarmacología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Eliud Morales Dávila
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Aleidy Patricio-Martínez
- Laboratorio de Neurofarmacología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
- Facultad de Ciencias Biológicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Nayeli Arana Del Carmen
- Laboratorio de Neurofarmacología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Isabel Martínez
- Laboratorio de Neuroquímica, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - José Aguilera
- Departament de Bioquímica i de Biologia Molecular, Facultad de Medicina, Institut de Neurociències, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | | | - Ilhuicamina Daniel Limón
- Laboratorio de Neurofarmacología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
- *Correspondence: Ilhuicamina Daniel Limón, ,
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Cunha DMG, Becegato M, Meurer YSR, Lima AC, Gonçalves N, Bioni VS, Engi SA, Bianchi PC, Cruz FC, Santos JR, Silva RH. Neuroinflammation in early, late and recovery stages in a progressive parkinsonism model in rats. Front Neurosci 2022; 16:923957. [PMID: 36090265 PMCID: PMC9459164 DOI: 10.3389/fnins.2022.923957] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by motor and non-motor signs, which are accompanied by progressive degeneration of dopaminergic neurons in the substantia nigra. Although the exact causes are unknown, evidence links this neuronal loss with neuroinflammation and oxidative stress. Repeated treatment with a low dose of reserpine—inhibitor of VMAT2—has been proposed as a progressive pharmacological model of PD. The aim of this study was to investigate whether this model replicates the neuroinflammation characteristic of this disease. Six-month-old Wistar rats received repeated subcutaneous injections of reserpine (0.1 mg/kg) or vehicle on alternate days. Animals were euthanized after 5, 10, or 15 injections, or 20 days after the 15th injection. Catalepsy tests (motor assessment) were conducted across treatment. Brains were collected at the end of each treatment period for immunohistochemical and RT-PCR analyzes. Reserpine induced a significant progressive increase in catalepsy duration. We also found decreased immunostaining for tyrosine hydroxylase (TH) in the substantia nigra pars compacta (SNpc) and increased GFAP + cells in the SNpc and dorsal striatum after 10 and 15 reserpine injections. Phenotyping microglial M1 and M2 markers showed increased number of CD11b + cells and percentage of CD11b + /iNOS + cells in reserpine-treated animals after 15 injections, which is compatible with tissue damage and production of cytotoxic factors. In addition, increased CD11b + /ArgI + cells were found 20 days after the last reserpine injection, together with an increment in IL-10 gene expression in the dorsal striatum, which is indicative of tissue repair or regeneration. Reserpine also induced increases in striatal interleukin TNF-alpha mRNA levels in early stages. In view of these results, we conclude that reserpine-induced progressive parkinsonism model leads to neuroinflammation in regions involved in the pathophysiology of PD, which is reversed 20 days after the last injection. These findings reveal that withdrawal period, together with the shift of microglial phenotypes from the pro-inflammatory to the anti-inflammatory stage, may be important for the study of the mechanisms involved in reversing this condition, with potential clinical applicability.
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Affiliation(s)
- Debora M. G. Cunha
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Marcela Becegato
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Ywlliane S. R. Meurer
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Alvaro C. Lima
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Narriman Gonçalves
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Vinícius S. Bioni
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sheila A. Engi
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paula C. Bianchi
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Fabio C. Cruz
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Jose R. Santos
- Behavioral and Evolutionary Neurobiology Laboratory, Department of Bioscience, Universidade Federal do Sergipe, Itabaiana, Brazil
| | - Regina H. Silva
- Behavioral Neuroscience Laboratory, Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
- *Correspondence: Regina H. Silva,
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Imbriani P, Martella G, Bonsi P, Pisani A. Oxidative stress and synaptic dysfunction in rodent models of Parkinson's disease. Neurobiol Dis 2022; 173:105851. [PMID: 36007757 DOI: 10.1016/j.nbd.2022.105851] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 08/02/2022] [Accepted: 08/20/2022] [Indexed: 11/26/2022] Open
Abstract
Parkinson's disease (PD) is a multifactorial disorder involving a complex interplay between a variety of genetic and environmental factors. In this scenario, mitochondrial impairment and oxidative stress are widely accepted as crucial neuropathogenic mechanisms, as also evidenced by the identification of PD-associated genes that are directly involved in mitochondrial function. The concept of mitochondrial dysfunction is closely linked to that of synaptic dysfunction. Indeed, compelling evidence supports the role of mitochondria in synaptic transmission and plasticity, although many aspects have not yet been fully elucidated. Here, we will provide a brief overview of the most relevant evidence obtained in different neurotoxin-based and genetic rodent models of PD, focusing on mitochondrial impairment and synaptopathy, an early central event preceding overt nigrostriatal neurodegeneration. The identification of early deficits occurring in PD pathogenesis is crucial in view of the development of potential disease-modifying therapeutic strategies.
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Affiliation(s)
- Paola Imbriani
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Giuseppina Martella
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Paola Bonsi
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Antonio Pisani
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy.
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Abdelrahman S, Alsanie WF, Khan ZN, Albalawi HI, Felimban RI, Moretti M, Steiner N, Chaudhary AG, Hauser CAE. A Parkinson's disease model composed of 3D bioprinted dopaminergic neurons within a biomimetic peptide scaffold. Biofabrication 2022; 14. [PMID: 35793642 DOI: 10.1088/1758-5090/ac7eec] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 07/06/2022] [Indexed: 11/12/2022]
Abstract
Parkinson's disease (PD) is a progressive neurological disorder that affects movement. It is associated with lost dopaminergic (DA) neurons in thesubstantia nigra, a process that is not yet fully understood. To understand this deleterious disorder, there is an immense need to develop efficientin vitrothree-dimensional (3D) models that can recapitulate complex organs such as the brain. However, due to the complexity of neurons, selecting suitable biomaterials to accommodate them is challenging. Here, we report on the fabrication of functional DA neuronal 3D models using ultrashort self-assembling tetrapeptide scaffolds. Our peptide-based models demonstrate biocompatibility both for primary mouse embryonic DA neurons and for human DA neurons derived from human embryonic stem cells. DA neurons encapsulated in these scaffolds responded to 6-hydroxydopamine, a neurotoxin that selectively induces loss of DA neurons. Using multi-electrode arrays, we recorded spontaneous activity in DA neurons encapsulated within these 3D peptide scaffolds for more than 1 month without decrease of signal intensity. Additionally, vascularization of our 3D models in a co-culture with endothelial cells greatly promoted neurite outgrowth, leading to denser network formation. This increase of neuronal networks through vascularization was observed for both primary mouse DA and cortical neurons. Furthermore, we present a 3D bioprinted model of DA neurons inspired by the mouse brain and created with an extrusion-based 3D robotic bioprinting system that was developed during previous studies and is optimized with time-dependent pulsing by microfluidic pumps. We employed a hybrid fabrication strategy that relies on an external mold of the mouse brain construct that complements the shape and size of the desired bioprinted model to offer better support during printing. We hope that our 3D model provides a platform for studies of the pathogenesis of PD and other neurodegenerative disorders that may lead to better understanding and more efficient treatment strategies.
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Affiliation(s)
- Sherin Abdelrahman
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.,Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Walaa F Alsanie
- Department of Clinical Laboratories Sciences, Faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia.,Center of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Zainab N Khan
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.,Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Hamed I Albalawi
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.,Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Raed I Felimban
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Manola Moretti
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.,Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Nadia Steiner
- Biological and Environmental Science and Engineering (BESE), Laboratory of Cellular Imaging and Energetics (LCIE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Adeel G Chaudhary
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Charlotte A E Hauser
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.,Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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44
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Melo-Thomas L, Tacken L, Richter N, Almeida D, Rapôso C, de Melo SR, Thomas U, de Paiva YB, Medeiros P, Coimbra NC, Schwarting R. Lateralization in hemi-parkinsonian rats is affected by deep brain stimulation or glutamatergic neurotransmission in the inferior colliculus. eNeuro 2022; 9:ENEURO.0076-22.2022. [PMID: 35817565 PMCID: PMC9337613 DOI: 10.1523/eneuro.0076-22.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/16/2022] [Accepted: 06/12/2022] [Indexed: 11/21/2022] Open
Abstract
After unilateral lesion of the medial forebrain bundle (MFB) by 6-OHDA rats exhibit lateralized deficits in spontaneous behavior or apomorphine-induced rotations. We investigated whether such lateralization is attenuated by either deep brain stimulation (DBS) or glutamatergic neurotransmission in the inferior colliculus (IC) of Wistar rats. Intracollicular DBS did not affect spontaneous lateralization but attenuated apomorphine-induced rotations. Spontaneous lateralization disappeared after both glutamatergic antagonist MK-801 or the agonist NMDA microinjected in the IC. Apomorphine-induced rotations were potentiated by MK-801 but were not affected by NMDA intracollicular microinjection. After injecting a bidirectional neural tract tracer into the IC, cell bodies and/or axonal fibers were found in the periaqueductal gray, superior colliculus, substantia nigra, cuneiform nucleus and pedunculo-pontine tegmental nucleus, suggesting the involvement of these structures in the motor improvement after IC manipulation. Importantly, the side of the IC microinjection regarding the lesion (ipsi- or contralateral) is particularly important and this effect may not involve the neostriatum directly.Significance StatementThe inferior colliculus, usually viewed as an auditory structure, when properly manipulated may counteract motor deficits in Parkinsonian rats. Indeed, the present study showed that 30 Hz deep brain stimulation or glutamatergic neural network in the inferior colliculus reduced body asymmetry induced by medial forebrain bundle unilateral 6-OHDA lesion in rats, an animal model of Parkinsonism. Understanding how glutamatergic mechanisms in the inferior colliculus influence motor control, classically attributed to the basal nuclei circuitry, could be useful in the development of new therapeutics to treat Parkinson's disease and other motor disorders.
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Affiliation(s)
- Liana Melo-Thomas
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps-University of Marburg, Gutenbergstr. 18, D-35032, Marburg, Germany.
- Center for Mind, Brain, and Behavior (CMBB), Hans-Meerwein-Straße 6, 35032, Marburg, Germany
- Behavioral Neurosciences Institute (INeC), Av. do Café, 2450, Monte Alegre, Ribeirão Preto, 14050-220, São Paulo, Brazil
| | - Lars Tacken
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps-University of Marburg, Gutenbergstr. 18, D-35032, Marburg, Germany
| | - Nicole Richter
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps-University of Marburg, Gutenbergstr. 18, D-35032, Marburg, Germany
| | - Davina Almeida
- Laboratory of Drug Development, Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, São Paulo, 13083-865, Brazil
| | - Catarina Rapôso
- Laboratory of Drug Development, Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, São Paulo, 13083-865, Brazil
| | - Silvana Regina de Melo
- Department of Morphological Sciences, State University of Maringá, Av. Colombo, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Uwe Thomas
- Thomas RECORDING GmbH, Winchester Strasse 8, 35394 Giessen, Germany
| | - Yara Bezerra de Paiva
- Laboratory of Neuroanatomy and Neuropsychobiology, Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Av. Bandeirantes, 3900, Ribeirão Preto (SP), 14049-900, Brazil
| | - Priscila Medeiros
- Laboratory of Neuroanatomy and Neuropsychobiology, Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Av. Bandeirantes, 3900, Ribeirão Preto (SP), 14049-900, Brazil
- Laboratory of Neurosciences of Pain & Emotions and Multi-User Centre of Neuroelectrophysiology, Department of Surgery and Anatomy, Ribeirão Preto Medical School of the University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto (SP), 14049-900, Brazil
| | - Norberto C Coimbra
- Behavioral Neurosciences Institute (INeC), Av. do Café, 2450, Monte Alegre, Ribeirão Preto, 14050-220, São Paulo, Brazil
- Laboratory of Neuroanatomy and Neuropsychobiology, Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Av. Bandeirantes, 3900, Ribeirão Preto (SP), 14049-900, Brazil
- NAP-USP-Neurobiology of Emotions Research Centre (NuPNE), Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Ribeirão Preto (SP), 14049-900, Brazil
| | - Rainer Schwarting
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps-University of Marburg, Gutenbergstr. 18, D-35032, Marburg, Germany
- Center for Mind, Brain, and Behavior (CMBB), Hans-Meerwein-Straße 6, 35032, Marburg, Germany
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Huang YL, Zhang JN, Hou TZ, Gu L, Yang HM, Zhang H. Inhibition of Wnt/β-catenin signaling attenuates axonal degeneration in models of Parkinson's disease. Neurochem Int 2022; 159:105389. [PMID: 35809720 DOI: 10.1016/j.neuint.2022.105389] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 02/27/2022] [Accepted: 07/03/2022] [Indexed: 11/15/2022]
Abstract
There are currently no treatments to delay or prevent Parkinson's disease (PD), and protective treatments require early administration. Targeting axonal degeneration in early PD could have an important clinical effect; however, the underlying molecular mechanisms controlling axonal degeneration in PD are not fully understood. Here, we studied the role of Wnt/β-catenin signaling in axonal degeneration induced by 6-hydroxydopamine (6-OHDA) or overexpression of alpha-synuclein (α-Syn) in vitro and in vivo. We found that the levels of both β-catenin and p-S9-glycogen synthase kinase-3β (GSK-3β) increased and the levels of phosphorylated β-catenin (p-β-catenin) decreased during 6-OHDA-induced axonal degeneration and that the inhibitors of the Wnt/β-catenin pathway IWR-1 and Dickkopf-1 (DKK-1) attenuated the degenerative process in primary neurons in vitro. Furthermore, IWR-1 enhanced the increase of LC3-II levels and the decrease of p62 triggered by 6-OHDA treatment, whereas the autophagy inhibitor 3-Methyladenine (3-MA) alleviated the protective effect of IWR-1 on axons in vitro. Consistent with the in vitro findings, both β-catenin and p-S9-GSK-3β were upregulated in a 6-OHDA-induced rat PD model, and blocking the Wnt/β-catenin pathway with DKK-1 attenuated the degeneration of dopaminergic axons at an early time point in vivo. The protective effect of inhibition of Wnt/β-catenin signaling was further confirmed in an α-Syn overexpression-induced animal models of PD. Taken together, these data indicate that the Wnt/β-catenin pathway is involved axonal degeneration in PD, and suggest that Wnt/β-catenin pathway inhibitors have the therapeutic potential for the prevention of PD.
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Affiliation(s)
- Yan-Lin Huang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China
| | - Jian-Nan Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China.
| | - Tian-Zhong Hou
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China
| | - Li Gu
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China
| | - Hui-Min Yang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China
| | - Hong Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Institute for Brain Disorders and Key Laboratory for Neurodegenerative Disorders of the Ministry of Education, Capital Medical University, Beijing, 100069, China.
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Fathi M, Vakili K, Yaghoobpoor S, Qadirifard MS, Kosari M, Naghsh N, Asgari taei A, Klegeris A, Dehghani M, Bahrami A, Taheri H, Mohamadkhani A, Hajibeygi R, Rezaei Tavirani M, Sayehmiri F. Pre-clinical Studies Identifying Molecular Pathways of Neuroinflammation in Parkinson's Disease: A Systematic Review. Front Aging Neurosci 2022; 14:855776. [PMID: 35912090 PMCID: PMC9327618 DOI: 10.3389/fnagi.2022.855776] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 05/23/2022] [Indexed: 12/09/2022] Open
Abstract
Parkinson's disease (PD), the second most common neurodegenerative disorder, is characterized by neuroinflammation, formation of Lewy bodies, and progressive loss of dopaminergic neurons in the substantia nigra of the brain. In this review, we summarize evidence obtained by animal studies demonstrating neuroinflammation as one of the central pathogenetic mechanisms of PD. We also focus on the protein factors that initiate the development of PD and other neurodegenerative diseases. Our targeted literature search identified 40 pre-clinical in vivo and in vitro studies written in English. Nuclear factor kappa B (NF-kB) pathway is demonstrated as a common mechanism engaged by neurotoxins such as 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and 6-hydroxydopamine (6-OHDA), as well as the bacterial lipopolysaccharide (LPS). The α-synuclein protein, which plays a prominent role in PD neuropathology, may also contribute to neuroinflammation by activating mast cells. Meanwhile, 6-OHDA models of PD identify microsomal prostaglandin E synthase-1 (mPGES-1) as one of the contributors to neuroinflammatory processes in this model. Immune responses are used by the central nervous system to fight and remove pathogens; however, hyperactivated and prolonged immune responses can lead to a harmful neuroinflammatory state, which is one of the key mechanisms in the pathogenesis of PD.
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Affiliation(s)
- Mobina Fathi
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kimia Vakili
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shirin Yaghoobpoor
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Sadegh Qadirifard
- Department of Nursing and Midwifery, Islamic Azad University, Tehran, Iran
- Department of Nursing, Garmsar Branch, Islamic Azad University, Garmsar, Iran
| | - Mohammadreza Kosari
- The First Clinical College, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Navid Naghsh
- Department of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Afsaneh Asgari taei
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Andis Klegeris
- Department of Biology, Faculty of Science, University of British Columbia Okanagan Campus, Kelowna, BC, Canada
| | - Mina Dehghani
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ashkan Bahrami
- Faculty of Medicine, Kashan University of Medical Science, Kashan, Iran
| | - Hamed Taheri
- Dental School, Kazan Federal University, Kazan, Russia
| | - Ashraf Mohamadkhani
- Digestive Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramtin Hajibeygi
- Department of Cardiology, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mostafa Rezaei Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mostafa Rezaei Tavirani
| | - Fatemeh Sayehmiri
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Fatemeh Sayehmiri
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Zhang Y, Roy DS, Zhu Y, Chen Y, Aida T, Hou Y, Shen C, Lea NE, Schroeder ME, Skaggs KM, Sullivan HA, Fischer KB, Callaway EM, Wickersham IR, Dai J, Li XM, Lu Z, Feng G. Targeting thalamic circuits rescues motor and mood deficits in PD mice. Nature 2022; 607:321-329. [PMID: 35676479 PMCID: PMC9403858 DOI: 10.1038/s41586-022-04806-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 04/26/2022] [Indexed: 01/03/2023]
Abstract
Although bradykinesia, tremor and rigidity are the hallmark motor defects in patients with Parkinson's disease (PD), patients also experience motor learning impairments and non-motor symptoms such as depression1. The neural circuit basis for these different symptoms of PD are not well understood. Although current treatments are effective for locomotion deficits in PD2,3, therapeutic strategies targeting motor learning deficits and non-motor symptoms are lacking4-6. Here we found that distinct parafascicular (PF) thalamic subpopulations project to caudate putamen (CPu), subthalamic nucleus (STN) and nucleus accumbens (NAc). Whereas PF→CPu and PF→STN circuits are critical for locomotion and motor learning, respectively, inhibition of the PF→NAc circuit induced a depression-like state. Whereas chemogenetically manipulating CPu-projecting PF neurons led to a long-term restoration of locomotion, optogenetic long-term potentiation (LTP) at PF→STN synapses restored motor learning behaviour in an acute mouse model of PD. Furthermore, activation of NAc-projecting PF neurons rescued depression-like phenotypes. Further, we identified nicotinic acetylcholine receptors capable of modulating PF circuits to rescue different PD phenotypes. Thus, targeting PF thalamic circuits may be an effective strategy for treating motor and non-motor deficits in PD.
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Affiliation(s)
- Ying Zhang
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA.
| | - Dheeraj S. Roy
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA.,These authors contributed equally to this work
| | - Yi Zhu
- Center for Neuroscience and Department of Neurology of Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yefei Chen
- Shenzhen Key Laboratory for Molecular Biology of Neural Development, The Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Shenzhen-Hong Kong Institute of Brain Science, Shenzhen, China
| | - Tomomi Aida
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Yuanyuan Hou
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Chenjie Shen
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Nicholas E. Lea
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Margaret E. Schroeder
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Keith M. Skaggs
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Heather A. Sullivan
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Kyle B. Fischer
- Systems Neurobiology Laboratories, Salk Institute for Biological Studies, La Jolla, CA, USA.,Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Edward M. Callaway
- Systems Neurobiology Laboratories, Salk Institute for Biological Studies, La Jolla, CA, USA.,Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Ian R. Wickersham
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ji Dai
- Shenzhen Key Laboratory for Molecular Biology of Neural Development, The Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Shenzhen-Hong Kong Institute of Brain Science, Shenzhen, China
| | - Xiao-Ming Li
- Center for Neuroscience and Department of Neurology of Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,NHC and CAMS Key Laboratory of Medical Neurobiology, Center for Brain Science and Brain-Inspired Intelligence, Guangdong-Hong Kong-Macao Greater Bay Area, Zhejiang University, Hangzhou, China.,Joint Institute for Genetics and Genome Medicine between Zhejiang University and University of Toronto, Zhejiang University, Hangzhou, China
| | - Zhonghua Lu
- Shenzhen Key Laboratory for Molecular Biology of Neural Development, The Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Shenzhen-Hong Kong Institute of Brain Science, Shenzhen, China
| | - Guoping Feng
- McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA. .,Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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48
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Lee LHN, Huang CS, Wang RW, Lai HJ, Chung CC, Yang YC, Kuo CC. Deep brain stimulation rectifies the noisy cortex and irresponsive subthalamus to improve parkinsonian locomotor activities. NPJ Parkinsons Dis 2022; 8:77. [PMID: 35725730 PMCID: PMC9209473 DOI: 10.1038/s41531-022-00343-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 05/31/2022] [Indexed: 11/10/2022] Open
Abstract
The success of deep brain stimulation (DBS) therapy indicates that Parkinson's disease is a brain rhythm disorder. However, the manifestations of the erroneous rhythms corrected by DBS remain to be established. We found that augmentation of α rhythms and α coherence between the motor cortex (MC) and the subthalamic nucleus (STN) is characteristically prokinetic and is decreased in parkinsonian rats. In multi-unit recordings, movement is normally associated with increased changes in spatiotemporal activities rather than overall spike rates in MC. In parkinsonian rats, MC shows higher spike rates at rest but less spatiotemporal activity changes upon movement, and STN burst discharges are more prevalent, longer lasting, and less responsive to MC inputs. DBS at STN rectifies the foregoing pathological MC-STN oscillations and consequently locomotor deficits, yet overstimulation may cause behavioral restlessness. These results indicate that delicate electrophysiological considerations at both cortical and subcortical levels should be exercised for optimal DBS therapy.
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Affiliation(s)
- Lan-Hsin Nancy Lee
- Department of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan.,Department of Neurology, Fu Jen Catholic University Hospital, New Taipei, Taiwan.,Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chen-Syuan Huang
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ren-Wei Wang
- Department of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hsing-Jung Lai
- Department of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan.,Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.,National Taiwan University Hospital, Jin-Shan Branch, New Taipei, Taiwan
| | - Chih-Ching Chung
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Chin Yang
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Neuroscience Research Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. .,Department of Psychiatry, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.
| | - Chung-Chin Kuo
- Department of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan. .,Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
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49
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Neural stem cell secretome exerts a protective effect on damaged neuron mitochondria in Parkinson's disease model. Brain Res 2022; 1790:147978. [PMID: 35690143 DOI: 10.1016/j.brainres.2022.147978] [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: 03/08/2022] [Revised: 05/29/2022] [Accepted: 06/06/2022] [Indexed: 11/22/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative disease. The main pathological changes are the loss of dopaminergic neurons and the formation of Lewy bodies. There is still no effective cure for PD, and cell replacement therapy has entered a bottleneck period due to tumorigenicity and rejection. Therefore, stem cell secretome has received widespread attention. However, the exploration of the secretome components of neural stem cells (NSCs) is still in its infancy. In this study, 6-hydroxydopamine (6-OHDA) was used to establish a PD rat model in vito and the PC12 cell-damaged model in vitro. The results indicated that the injection of neural stem cell-conditioned medium (NSC-CM) into the striatum and substantia nigra could improve the motor and non-motor deficits of PD rats and rescue the loss of dopaminergic neurons. In addition, NSC-CM alleviated 6-OHDA-induced apoptosis of PC12 cells, reduced the level of oxidative stress, and improved mitochondrial dysfunction in vitro. Parkinson disease protein 7 (Park7) was found in NSC-CM by Liquid chromatography-tandem mass spectrometry (LC-MS/MS), and it may be related to the protective effect of NSC-CM on 6-OHDA-injured neurons through Sirt1 pathway. In conclusion, NSC secretome might provide new ideas for the treatment of PD.
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50
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Expression Analysis of Genes Involved in Transport Processes in Mice with MPTP-Induced Model of Parkinson’s Disease. Life (Basel) 2022; 12:life12050751. [PMID: 35629417 PMCID: PMC9146539 DOI: 10.3390/life12050751] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 11/30/2022] Open
Abstract
Processes of intracellular and extracellular transport play one of the most important roles in the functioning of cells. Changes to transport mechanisms in a neuron can lead to the disruption of many cellular processes and even to cell death. It was shown that disruption of the processes of vesicular, axonal, and synaptic transport can lead to a number of diseases of the central nervous system, including Parkinson’s disease (PD). Here, we studied changes in the expression of genes whose protein products are involved in the transport processes (Snca, Drd2, Rab5a, Anxa2, and Nsf) in the brain tissues and peripheral blood of mice with MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine)-induced models of PD. We detected changes in the expressions of Drd2, Anxa2, and Nsf at the earliest modeling stages. Additionally, we have identified conspicuous changes in the expression level of Anxa2 in the striatum and substantia nigra of mice with MPTP-induced models of PD in its early stages. These data clearly suggest the involvement of protein products in these genes in the earliest stages of the pathogenesis of PD.
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