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Koukoulis TF, Beauchamp LC, Kaparakis-Liaskos M, McQuade RM, Purnianto A, Finkelstein DI, Barnham KJ, Vella LJ. Do Bacterial Outer Membrane Vesicles Contribute to Chronic Inflammation in Parkinson's Disease? JOURNAL OF PARKINSON'S DISEASE 2024; 14:227-244. [PMID: 38427502 PMCID: PMC10977405 DOI: 10.3233/jpd-230315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/16/2024] [Indexed: 03/03/2024]
Abstract
Parkinson's disease (PD) is an increasingly common neurodegenerative disease. It has been suggested that the etiology of idiopathic PD is complex and multifactorial involving environmental contributions, such as viral or bacterial infections and microbial dysbiosis, in genetically predisposed individuals. With advances in our understanding of the gut-brain axis, there is increasing evidence that the intestinal microbiota and the mammalian immune system functionally interact. Recent findings suggest that a shift in the gut microbiome to a pro-inflammatory phenotype may play a role in PD onset and progression. While there are links between gut bacteria, inflammation, and PD, the bacterial products involved and how they traverse the gut lumen and distribute systemically to trigger inflammation are ill-defined. Mechanisms emerging in other research fields point to a role for small, inherently stable vesicles released by Gram-negative bacteria, called outer membrane vesicles in disease pathogenesis. These vesicles facilitate communication between bacteria and the host and can shuttle bacterial toxins and virulence factors around the body to elicit an immune response in local and distant organs. In this perspective article, we hypothesize a role for bacterial outer membrane vesicles in PD pathogenesis. We present evidence suggesting that these outer membrane vesicles specifically from Gram-negative bacteria could potentially contribute to PD by traversing the gut lumen to trigger local, systemic, and neuroinflammation. This perspective aims to facilitate a discussion on outer membrane vesicles in PD and encourage research in the area, with the goal of developing strategies for the prevention and treatment of the disease.
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Affiliation(s)
- Tiana F. Koukoulis
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Leah C. Beauchamp
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
- Ann Romney Center for Neurologic Diseases, Brighamand Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Maria Kaparakis-Liaskos
- Department of Microbiology, Anatomy, Physiology and Pharmacology, La Trobe University, Melbourne, VIC, Australia
| | - Rachel M. McQuade
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
- Department of Medicine, Gut-Axis Injury and Repair Laboratory, Western Centre for Health Research and Education (WCHRE), The University of Melbourne, Sunshine Hospital, St Albans, VIC, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Western Centre for Health Research and Education (WCHRE), Sunshine Hospital, St Albans, VIC, Australia
| | - Adityas Purnianto
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - David I. Finkelstein
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Kevin J. Barnham
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Laura J. Vella
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
- Department of Surgery, The University of Melbourne, The Royal Melbourne Hospital, Parkville, VIC, Australia
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Zhuo Y, Li X, He Z, Lu M. Pathological mechanisms of neuroimmune response and multitarget disease-modifying therapies of mesenchymal stem cells in Parkinson's disease. Stem Cell Res Ther 2023; 14:80. [PMID: 37041580 PMCID: PMC10091615 DOI: 10.1186/s13287-023-03280-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 03/13/2023] [Indexed: 04/13/2023] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disease characterized by the degeneration of dopaminergic neurons in the substantia nigra (SN); the etiology and pathological mechanism of the disease are still unclear. Recent studies have shown that the activation of a neuroimmune response plays a key role in the development of PD. Alpha-synuclein (α-Syn), the primary pathological marker of PD, can gather in the SN and trigger a neuroinflammatory response by activating microglia which can further activate the dopaminergic neuron's neuroimmune response mediated by reactive T cells through antigen presentation. It has been shown that adaptive immunity and antigen presentation processes are involved in the process of PD and further research on the neuroimmune response mechanism may open new methods for its prevention and therapy. While current therapeutic regimens are still focused on controlling clinical symptoms, applications such as immunoregulatory strategies can delay the symptoms and the process of neurodegeneration. In this review, we summarized the progression of the neuroimmune response in PD based on recent studies and focused on the use of mesenchymal stem cell (MSC) therapy and challenges as a strategy of disease-modifying therapy with multiple targets.
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Affiliation(s)
- Yi Zhuo
- Department of Neurosurgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410000, Hunan, China
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Xuan Li
- Department of Neurosurgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410000, Hunan, China
| | - Zhengwen He
- Department of Neurosurgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410000, Hunan, China.
| | - Ming Lu
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, 410006, Hunan, China.
- Hunan Provincial Key Laboratory of Neurorestoratology, The Second Affiliated Hospital (the 921st Hospital of PLA), Hunan Normal University, Changsha, 410003, Hunan, China.
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3
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Fu YY, Cen JK, Song HL, Song SY, Zhang ZJ, Lu HJ. Ginsenoside Rh2 Ameliorates Neuropathic Pain by inhibition of the miRNA21-TLR8-MAPK axis. Mol Pain 2022; 18:17448069221126078. [PMID: 36039405 PMCID: PMC9478689 DOI: 10.1177/17448069221126078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Ginsenoside Rh2 is one of the major bioactive ginsenosides in Panax
ginseng. Although Rh2 is known to enhance immune cells activity for
treatment of cancer, its anti-inflammatory and neuroprotective effects have yet
to be determined. In this study, we investigated the effects of Rh2 on spared
nerve injury (SNI)-induced neuropathic pain and elucidated the potential
mechanisms. We found that various doses of Rh2 intrathecal injection
dose-dependently attenuated SNI-induced mechanical allodynia and thermal
hyperalgesia. Rh2 also inhibited microglia and astrocyte activation in the
spinal cord of a murine SNI model. Rh2 treatment inhibited SNI-induced increase
of proinflammatory cytokines, including tumor necrosis factor-α, interleukin
(IL)-1 and IL-6. Expression of miRNA-21, an endogenous ligand of Toll like
receptor (TLR)8 was also decreased. Rh2 treatment blocked the mitogen-activated
protein kinase (MAPK) signaling pathway by inhibiting of phosphorylated
extracellular signal-regulated kinase expression. Finally, intrathecal injection
of TLR8 agonist VTX-2337 reversed the analgesic effect of Rh2. These results
indicated that Rh2 relieved SNI-induced neuropathic pain via inhibiting the
miRNA-21-TLR8-MAPK signaling pathway, thus providing a potential application of
Rh2 in pain therapy.
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Affiliation(s)
- Yuan-Yuan Fu
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
| | - Jian-Ke Cen
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
| | - Hao-Lin Song
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
| | - Si-Yuan Song
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
| | - Zhi-Jun Zhang
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
- Zhi-jun Zhang, Department of Human Anatomy,
School of Medicine, Nantong University, Jiangsu 226019, China,
| | - Huan-Jun Lu
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
- Huan-Jun Lu, Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu 226019, China,
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4
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da Rocha Sobrinho HM, Saar Gomes R, da Silva DJ, Quixabeira VBL, Joosten LAB, Ribeiro de Barros Cardoso C, Ribeiro-Dias F. Toll-like receptor 10 controls TLR2-induced cytokine production in monocytes from patients with Parkinson's disease. J Neurosci Res 2021; 99:2511-2524. [PMID: 34260774 DOI: 10.1002/jnr.24916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 12/22/2022]
Abstract
Peripheral inflammation, particularly mediated by monocytes, can cause neuroinflammation in Parkinson's disease (PD). We investigated the mechanism of TLR2-induced cytokine impairment in peripheral monocytes from PD patients and the association between the presence of CD14+ TLR10+ monocytes and PD severity. Peripheral blood mononuclear cells from PD patients and healthy individuals were evaluated for TLR expression on monocyte subsets (CD14 and CD16 expression) using flow cytometry. Moreover, cytokines were evaluated using flow cytometry after stimulation with Pam3 Cys (TLR2/TLR1 agonist) in the absence or presence of neutralizing antibodies to TLR10. The severity of PD was assessed using the unified PD rating scale (UPDRS) and motor activity, anxiety (BAI), depression (BDI), and fatigue (PD Fatigue Scale-16) scales. The frequency of CD14+ TLR10+ monocytes and expression intensity of TLR2 and TLR10 were higher in patients with PD than healthy individuals. The frequency of intermediate monocytes (CD14++ CD16+ ) was not significantly increased in patients with PD, but was the main monocyte subset expressing TLR10. The TLR2/TLR1-impaired cytokine production (IL-6, TNFα, IL-8, and IL-10) in PD patients was reversed by neutralizing TLR10. The high frequency of total CD14+ TLR10+ monocytes was associated with a reduction in the severity of PD according to the evaluation of motor and nonmotor symptoms. Peripheral monocytes from patients with PD showed phenotypic and functional alterations. The expression of TLR10 on monocytes can protect against PD by controlling TLR2-induced cytokine production. Furthermore, data suggested that a low frequency of CD14+ TLR10+ monocytes indicates the severity of PD. The results identified new opportunities for the development of novel PD neuroprotective therapies.
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Affiliation(s)
- Hermínio Maurício da Rocha Sobrinho
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil.,Escola de Ciências Médicas, Farmacêuticas e Biomédicas da Pontifícia Universidade Católica de Goiás (PUC Goiás), Goiânia, Brazil
| | - Rodrigo Saar Gomes
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
| | - Delson José da Silva
- Núcleo de Neurociências do Hospital das Clínicas da Universidade Federal de Goiás-UFG, Instituto Integrado de Neurociências, Goiânia, Brazil
| | - Valéria Bernadete Leite Quixabeira
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil.,Escola de Ciências Médicas, Farmacêuticas e Biomédicas da Pontifícia Universidade Católica de Goiás (PUC Goiás), Goiânia, Brazil
| | - Leo A B Joosten
- Department of Internal Medicine, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud Center of Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, the Netherlands
| | | | - Fátima Ribeiro-Dias
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
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5
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Roy A, Earley CJ, Allen RP, Kaminsky ZA. Developing a biomarker for restless leg syndrome using genome wide DNA methylation data. Sleep Med 2020; 78:120-127. [PMID: 33422814 DOI: 10.1016/j.sleep.2020.12.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 12/31/2022]
Abstract
This study reports on an epigenetic biomarker for restless leg syndrome (RLS) developed using whole genome DNA methylation data. Lymphocyte-derived DNA methylation was examined in 15 subjects with and without RLS (discovery cohort). T-tests and linear regressions were used followed by a principal component analysis (PCA). The principal component model from the discovery cohort was used to predict RLS status in a peripheral blood (N = 24; including 12 cases and 12 controls) and a post-mortem neural tissue (N = 71; including 36 cases and 35 controls) replication cohort as well as iron deficiency anemia status in a publicly available dataset (N = 71, 59 cases with iron deficiency anemia, 12 controls). Using receiver-operating characteristic analysis the optimum biomarker model - that included 49 probes - predicted RLS status in the blood-based replication cohort with an area under the curve (AUC) of 87.5% (confidence interval = 71.9%-100%). In the neural tissue samples, the model predicted RLS status with an AUC of 73.4% (confidence interval = 61.5%-85.3%). An AUC of 83% was found for predictions of iron deficiency anemia. Thus, the blood-based biomarker model reported here and built with epigenome-wide data showed reasonable replicability in lymphocytes and neural tissue samples. A limitation of this study is that we could not determine the metabolic or neurobiological pathways linking epigenetic changes with RLS. Further research is needed to fine-tune this model for prospective predictions of RLS and to enable translation for clinical use.
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Affiliation(s)
- Arunima Roy
- The Royal's Institute of Mental Health Research, University of Ottawa, Canada
| | - Christopher J Earley
- Department of Neurology, The Johns Hopkins University School of Medicine, 5501 Hopkins Bayview Circle, Baltimore, MD, 21209, USA
| | - Richard P Allen
- Department of Neurology, The Johns Hopkins University School of Medicine, 5501 Hopkins Bayview Circle, Baltimore, MD, 21209, USA
| | - Zachary A Kaminsky
- The Royal's Institute of Mental Health Research, University of Ottawa, Canada; Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa Ontario Canada; Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Mental Health, Bloomberg School of Public Health, Baltimore, MD, USA.
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6
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Shomali N, Baradaran B, Deljavanghodrati M, Akbari M, Hemmatzadeh M, Mohammadi H, Jang Y, Xu H, Sandoghchian Shotorbani S. A new insight into thymosin β4, a promising therapeutic approach for neurodegenerative disorders. J Cell Physiol 2019; 235:3270-3279. [PMID: 31612500 DOI: 10.1002/jcp.29293] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 09/30/2019] [Indexed: 12/27/2022]
Abstract
Thymosin β4 (Tβ4), a G-actin-sequestering secreted peptide, improves neurovascular remodeling and central nervous system plasticity, which leads to neurological recovery in many neurological diseases. Inflammatory response adjustment and tissue inflammation consequences from neurological injury are vital for neurological recovery. The innate or nonspecific immune system is made of different components. The Toll-like receptor pro-inflammatory signaling pathway, which is one of these components, regulates tissue injury. The main component of the Toll-like/IL-1 receptor signaling pathway, which is known as IRAK1, can be regulated by miR-146a and regulates NF-κB expression. Due to the significant role of Tβ4 in oligodendrocytes, neurons, and microglial cells in neurological recovery, it is suggested that Tβ4 regulates the Toll-like receptor (TLR) pro-inflammatory signaling pathway by upregulating miR-146a in neurological disorders. However, further investigations on the role of Tβ4 in regulating the expression of miR146a and TLR signaling pathway in the immune response adjustment in neurological disorders provides an insight into mechanisms of action and the possibility of Tβ4 therapeutic effect enhancement.
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Affiliation(s)
- Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Morteza Akbari
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hemmatzadeh
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Yue Jang
- Department of Immunology, Center of Clinical Medicine and Laboratory, Jiangsu University, Zhenjiang, China
| | - Huaxi Xu
- Department of Immunology, Center of Clinical Medicine and Laboratory, Jiangsu University, Zhenjiang, China
| | - Siamak Sandoghchian Shotorbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Center of Clinical Medicine and Laboratory, Jiangsu University, Zhenjiang, China
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7
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Thematic 2018 Letter from the Editor. Immunol Invest 2019; 47:765-769. [PMID: 31282800 DOI: 10.1080/08820139.2018.1552391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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8
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Kumar V. Toll-like receptors in the pathogenesis of neuroinflammation. J Neuroimmunol 2019; 332:16-30. [PMID: 30928868 DOI: 10.1016/j.jneuroim.2019.03.012] [Citation(s) in RCA: 211] [Impact Index Per Article: 42.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/19/2019] [Accepted: 03/19/2019] [Indexed: 12/17/2022]
Abstract
Toll-like receptors (TLRs) are discovered as crucial pattern recognition receptors (PRRs) involved in the recognition of pathogen-associated molecular patterns (PAMPs). Later studies showed their involvement in the recognition of various damage/danger-associated molecular patterns (DAMPs) generated by host itself. Thus, TLRs are capable of recognizing wide-array of patterns/molecules derived from pathogens and host as well and initiating a proinflammatory immune response through the activation of NF-κB and other transcription factors causing synthesis of proinflammatory molecules. The process of neuroinflammation is seen under both sterile and infectious inflammatory diseases of the central nervous system (CNS) and may lead to the development of neurodegeneration. The present article is designed to highlight the importance of TLRs in the pathogenesis of neuroinflammation under diverse conditions. TLRs are expressed by various immune cells present in CNS along with neurons. However out of thirteen TLRs described in mammals, some are present and active in these cells, while some are absent and are described in detail in main text. The role of various immune cells present in the brain and their role in the pathogenesis of neuroinflammation depending on the type of TLR expressed is described. Thereafter the role of TLRs in bacterial meningitis, viral encephalitis, stroke, Alzheimer's disease (AD), Parkinson's disease (PD), and autoimmune disease including multiple sclerosis (MS) is described. The article is designed for both neuroscientists needing information regarding TLRs in neuroinflammation and TLR biologists or immunologists interested in neuroinflammation.
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Affiliation(s)
- V Kumar
- Children Health Clinical Unit, School of Clinical Medicine, Faculty of Medicine, Mater Research, University of Queensland, ST Lucia, Brisbane, Queensland 4078, Australia; School of Biomedical Sciences, Faculty of Medicine, University of Queensland, ST Lucia, Brisbane, Queensland 4078, Australia.
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9
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Du SH, Qiao DF, Chen CX, Chen S, Liu C, Lin Z, Wang H, Xie WB. Toll-Like Receptor 4 Mediates Methamphetamine-Induced Neuroinflammation through Caspase-11 Signaling Pathway in Astrocytes. Front Mol Neurosci 2017; 10:409. [PMID: 29311802 PMCID: PMC5733023 DOI: 10.3389/fnmol.2017.00409] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 11/27/2017] [Indexed: 02/02/2023] Open
Abstract
Methamphetamine (METH) is an amphetamine-typed stimulant drug that is increasingly being abused worldwide. Previous studies have shown that METH toxicity is systemic, especially targeting dopaminergic neurons in the central nervous system (CNS). However, the role of neuroinflammation in METH neurotoxicity remains unclear. We hypothesized that Toll-like receptor 4 (TLR4) and Caspase-11 are involved in METH-induced astrocyte-related neuroinflammation. We tested our hypothesis by examining the changes of TLR4 and Caspase-11 protein expression in primary cultured C57BL/6 mouse astrocytes and in the midbrain and striatum of mice exposed to METH with western blot and double immunofluorescence labeling. We also determined the effects of blocking Caspase-11 expression with wedelolactone (a specific inhibitor of Caspase-11) or siRNA on METH-induced neuroinflammation in astrocytes. Furthermore, we determined the effects of blocking TLR4 expression with TAK-242 (a specific inhibitor of TLR4) or siRNA on METH-induced neuroinflammation in astrocytes. METH exposure increased Caspase-11 and TLR4 expression both in vitro and in vivo, with the effects in vitro being dose-dependent. Inhibition of Caspase-11 expression with either wedelolactone or siRNAs reduced the expression of inflammasome NLRP3 and pro-inflammatory cytokines. In addition, blocking TLR4 expression inhibited METH-induced activation of NF-κB and Caspase-11 in vitro and in vivo, suggesting that TLR4-Caspase-11 pathway is involved in METH-induced neuroinflammation. These results indicate that Caspase-11 and TLR4 play an important role in METH-induced neuroinflammation and may be potential gene targets for therapeutics in METH-caused neurotoxicity.
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Affiliation(s)
- Si-Hao Du
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Dong-Fang Qiao
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Chuan-Xiang Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Si Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Chao Liu
- Guangzhou Forensic Science Institute, Guangzhou, China
| | - Zhoumeng Lin
- Department of Anatomy and Physiology, Institute of Computational Comparative Medicine (ICCM), College of Veterinary Medicine, Kansas State University, Manhattan, KS, United States
| | - Huijun Wang
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Wei-Bing Xie
- School of Forensic Medicine, Southern Medical University, Guangzhou, China
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