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Li S, Bi G, Han S, Huang R. MicroRNAs Play a Role in Parkinson’s Disease by Regulating Microglia Function: From Pathogenetic Involvement to Therapeutic Potential. Front Mol Neurosci 2022; 14:744942. [PMID: 35126050 PMCID: PMC8814625 DOI: 10.3389/fnmol.2021.744942] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/14/2021] [Indexed: 12/31/2022] Open
Abstract
Parkinson’s disease (PD) is a clinically common neurodegenerative disease of the central nervous system (CNS) characterized by loss of dopamine neurons in the substantia nigra. Microglia (MG), as an innate immune cell in the CNS, are involved in a variety of immunity and inflammatory responses in the CNS. A number of studies have shown that the overactivation of MG is one of the critical pathophysiological mechanisms underlying PD. MicroRNAs (miRNAs) are considered to be an important class of gene expression regulators and are involved in a variety of physiological and pathological mechanisms, including immunity and inflammation. In addition, miRNAs can affect the progress of PD by regulating the expression of various MG genes and the polarization state of the MG. Here, we summarize recent articles and describe the important role of MG pathological polarization in the progression of PD, the diverse mechanisms responsible for how miRNAs regulate MG, and the potential therapeutic prospects of miRNAs for PD. We also propose that the regulation of miRNAs may be a novel protective approach against the pathogenesis of PD.
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Affiliation(s)
- Silu Li
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Guorong Bi
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shunchang Han
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rui Huang
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Rui Huang,
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Mohi-Ud-Din R, Mir RH, Shah AJ, Sabreen S, Wani TU, Masoodi MH, Akkol EK, Bhat ZA, Khan H. Plant-Derived Natural Compounds for the treatment of Amyotrophic Lateral Sclerosis: An Update. Curr Neuropharmacol 2021; 20:179-193. [PMID: 33913406 PMCID: PMC9199545 DOI: 10.2174/1570159x19666210428120514] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/14/2021] [Accepted: 04/16/2021] [Indexed: 11/22/2022] Open
Abstract
Background Amyotrophic lateral sclerosis (ALS) is a motor neuron disease (MND) that typically causes death within 3-5 years after diagnosis. Regardless of the substantial scientific knowledge accrued more than a century ago, truly effective therapeutic strategies remain distant. Various conventional drugs are being used but are having several adverse effects. Objective/Aim The current study aims to thoroughly review plant-derived compounds with well-defined ALS activities and their structure-activity relationships. Moreover, the review also focuses on complex genetics, clinical trials, and the use of natural products that might decrypt the future and novel therapeutics in ALS. Methods The collection of data for the compilation of this review work was searched in PubMed Scopus, Google Scholar, and Science Direct. Results Results showed that phytochemicals like-Ginkgolides, Protopanaxatriol, Genistein, epigallocatechingallate, resveratrol, cassoside, and others possess Amyotrophic lateral sclerosis (ALS) activity by various mechanisms. Conclusion These plant-derived compounds may be considered as supplements for conventional (ALS). Moreover, further preclinical and clinical studies are required to understand the structure-activity relationships, metabolism, absorption, and mechanisms of plant-derived natural agents.
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Affiliation(s)
- Roohi Mohi-Ud-Din
- Pharmacognosy & Phytochemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar, 190006, Kashmir, India
| | - Reyaz Hassan Mir
- Pharmaceutical Chemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar-190006, Kashmir, India
| | - Abdul Jalil Shah
- Pharmaceutical Chemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar-190006, Kashmir, India
| | - Saba Sabreen
- Pharmaceutical Chemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar-190006, Kashmir, India
| | - Taha Umair Wani
- Pharmaceutics Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar-190006, Kashmir, India
| | - Mubashir Hussain Masoodi
- Pharmaceutical Chemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar-190006, Kashmir, India
| | - Esra Küpeli Akkol
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330, Ankara. Turkey
| | - Zulfiqar Ali Bhat
- Pharmacognosy & Phytochemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar, 190006, Kashmir, India
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, 23200. Pakistan
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Huanglian Jiedu decoction remodels the periphery microenvironment to inhibit Alzheimer's disease progression based on the "brain-gut" axis through multiple integrated omics. ALZHEIMERS RESEARCH & THERAPY 2021; 13:44. [PMID: 33579351 PMCID: PMC7881564 DOI: 10.1186/s13195-021-00779-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/25/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND In recent years, excellent results have suggested an association between the "brain-gut" axis and Alzheimer's disease (AD) progression, yet the role of the "brain-gut" axis in AD pathogenesis still remains obscure. Herein, we provided a potential link between the central and peripheral neuroinflammatory disorders in AD progression. METHODS The Morris water maze (MWM) test, immunohistochemistry, ELISA, ProcartaPlex Multiplex immunoassay, multiple LC-MS/MS methods, and the V3-V4 regions of 16S rRNA genes were applied to explore potential biomarkers. RESULTS In Tg-APP/PS1 mice, gut dysbiosis and lipid metabolism were highly associated with AD-like neuroinflammation. The combination of inflammatory factors (IL-6 and INF-γ), phosphatidylcholines (PCs) and SCFA-producing bacteria were expected to be early diagnostic biomarkers for AD. Huanglian Jiedu decoction (HLJDD) suppressed gut dysbiosis and the associated Aβ accumulation, harnessed neuroinflammation and reversed cognitive impairment. CONCLUSION Together, our findings highlighted the roles of neuroinflammation induced by gut dysbiosis and lipid metabolism disorder in AD progression. This integrated metabolomics approach showed its potential to understand the complex mechanisms of HLJDD in the treatment of AD.
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Abd-El-Basset EM, Rao MS, Alsaqobi A. Interferon-Gamma and Interleukin-1Beta Enhance the Secretion of Brain-Derived Neurotrophic Factor and Promotes the Survival of Cortical Neurons in Brain Injury. Neurosci Insights 2020; 15:2633105520947081. [PMID: 32776009 PMCID: PMC7391446 DOI: 10.1177/2633105520947081] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 07/14/2020] [Indexed: 12/28/2022] Open
Abstract
Neuro-inflammation is associated with the production of cytokines, which influence neuronal and glial functions. Although the proinflammatory cytokines interferon-γ (IFN-γ) and interleukin-1Beta (IL-1β) are thought to be the major mediators of neuro-inflammation, their role in brain injury remains ill-defined. The objective of this study was to examine the effect of IFN-γ and IL-1β on survival of cortical neurons in stab wound injury in mice. A stab wound injury was made in the cortex of male BALB/c mice. Injured mice (I) were divide into IFN-γ and IL-1β treatment experiments. Mice in I + IFN-γ group were treated with IFN-γ (ip, 10 µg/kg/day) for 1, 3 and 7 days and mice in I + IL-1β group were treated with 5 IP injection of IL-1β (0.5 µg /12 h). Appropriate control mice were maintained for comparison. Immunostaining of frozen brain sections for astrocytes (GFAP), microglia (Iba-1) and Fluoro-Jade B staining for degenerating neurons were used. Western blotting and ELISA for brain-derived neurotrophic factor (BDNF) were done on the tissues isolated from the injured sites. Results showed a significant increase in the number of both astrocytes and microglia in I + IFN-γ and I + IL-1β groups. There were no significant changes in the number of astrocytes or microglia in noninjury groups (NI) treated with IFN-γ or IL-1β. The number of degenerating neurons significantly decreased in I + IFN-γ and I + IL-1β groups. GFAP and BDNF levels were significantly increased in I + IFN-γ and I + IL-1β groups. Interferon-γ and IL-1β induce astrogliosis, microgliosis, enhance the secretion of BDNF, one of the many neurotrophic factors after brain injury, and promote the survival of cortical neurons in stab wound brain injury.
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Gupta UC, Gupta SC. Optimizing Modifiable and Lifestyle-related Factors in the Prevention of Dementia Disorders with Special Reference to Alzheimer, Parkinson and Autism Diseases. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/1573401315666190801120306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Dementia is a syndrome and an umbrella term that encompasses Alzheimer, Parkinson and
autism diseases. These diseases are by far the most common cause of dementia; therefore this investigation
will chiefly include these disorders, with a limited discussion of few other disorders related
to dementia. Alzheimer’s disease (AD) is characterized by the accumulation of cerebral β-amyloid
plaques, tau proteins and memory loss; Parkinson by the deterioration of brain cells which regulate
the movement of body parts and produce dopamine; and autism by abnormalities of social disorder
and difficulty in communicating and forming relationships. Alzheimer’s disease and cognitive impairment
in dementia are age-related and manageable only with early diagnosis and prevention. Data
based on several decades of research has shown that the major factors responsible for the induction
of inflammation in dementia and many chronic diseases are infections, obesity, alcohol, radiation,
environmental pollutants, improper nutrition, lack of physical activity, depression, anxiety, genetic
factors, and sleep deprivation. There are some studied preventive measures for dementia including
continued physical activity and consuming predominantly a plant-based Mediterranean diet comprising
olive oil and foods containing flavonoids and other phytochemicals having strong antioxidant and
anti-inflammatory properties and along with management of chronic conditions.
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Affiliation(s)
- Umesh C. Gupta
- Agriculture and Agri-Food Canada, Charlottetown Research and Development Centre, 440 University Avenue, Charlottetown, PE, Canada
| | - Subhas C. Gupta
- The Department of Plastic Surgery, Loma Linda University School of Medicine, Loma Linda, California 92354, United States
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Zhang X, Wang D, Zhang B, Zhu J, Zhou Z, Cui L. Regulation of microglia by glutamate and its signal pathway in neurodegenerative diseases. Drug Discov Today 2020; 25:1074-1085. [PMID: 32320851 DOI: 10.1016/j.drudis.2020.04.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 03/10/2020] [Accepted: 04/03/2020] [Indexed: 02/06/2023]
Abstract
Microglia are an essential component of the central nervous system (CNS) and are involved in the primary response to microorganisms, neuroinflammation, homeostasis, and tissue regeneration, as well as contributing to the pathogenesis of neurodegenerative diseases. Research has shown that microglial diversity, multifunctionality, and their relationship with glutamate are crucial to determining their roles in these diseases. In this review, we focus on recent progress in determining microglial characteristics and the role of glutamate and its receptors in microglia regulation, which could be a novel therapeutic strategy for neurodegenerative diseases.
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Affiliation(s)
- Xinyue Zhang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China; Department of Neurobiology, Care Sciences & Society, Division of Neurogeriatrics, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden.
| | - Dan Wang
- Department of Ophthalmology, the First Hospital of Jilin University, Changchun, China.
| | - Bo Zhang
- Department of Neurobiology, Care Sciences & Society, Division of Neurogeriatrics, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden; Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China.
| | - Jie Zhu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China; Department of Neurobiology, Care Sciences & Society, Division of Neurogeriatrics, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden.
| | - Zhulin Zhou
- Department of Neurobiology, Care Sciences & Society, Division of Neurogeriatrics, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden.
| | - Li Cui
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China.
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Role of NADPH oxidase-2 in the progression of the inflammatory response secondary to striatum excitotoxic damage. J Neuroinflammation 2019; 16:91. [PMID: 30995916 PMCID: PMC6471795 DOI: 10.1186/s12974-019-1478-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/03/2019] [Indexed: 01/11/2023] Open
Abstract
Background During excitotoxic damage, neuronal death results from the increase in intracellular calcium, the induction of oxidative stress, and a subsequent inflammatory response. NADPH oxidases (NOX) are relevant sources of reactive oxygen species (ROS) during excitotoxic damage. NADPH oxidase-2 (NOX-2) has been particularly related to neuronal damage and death, as well as to the resolution of the subsequent inflammatory response. As ROS are crucial components of the regulation of inflammatory response, in this work, we evaluated the role of NOX-2 in the progression of inflammation resulting from glutamate-induced excitotoxic damage of the striatum in an in vivo model. Methods The striata of wild-type C57BL/6 J and NOX-2 KO mice (gp91Cybbtm1Din/J) were stereotactically injected with monosodium glutamate either alone or in combination with IL-4 or IL-10. The damage was evaluated in histological sections stained with cresyl violet and Fluoro-Jade B. The enzymatic activity of caspase-3 and NOX were also measured. Additionally, the cytokine profile was identified by ELISA and motor activity was verified by the tests of the cylinder, the adhesive tape removal, and the inverted grid. Results Our results show a neuroprotective effect in mice with a genetic inhibition of NOX-2, which is partially due to a differential response to excitotoxic damage, characterized by the production of anti-inflammatory cytokines. In NOX-2 KO animals, the excitotoxic condition increased the production of interleukin-4, which could contribute to the production of interleukin-10 that decreased neuronal apoptotic death and the magnitude of striatal injury. Treatment with interleukin-4 and interleukin-10 protected from excitotoxic damage in wild-type animals. Conclusions The release of proinflammatory cytokines during the excitotoxic event promotes an additional apoptotic death of neurons that survived the initial damage. During the subsequent inflammatory response to excitotoxic damage, ROS generated by NOX-2 play a decisive role in the extension of the lesion and consequently in the severity of the functional compromise, probably by regulating the anti-inflammatory cytokines production. Electronic supplementary material The online version of this article (10.1186/s12974-019-1478-4) contains supplementary material, which is available to authorized users.
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Lee SH, Suk K. Kinase-Based Taming of Brain Microglia Toward Disease-Modifying Therapy. Front Cell Neurosci 2018; 12:474. [PMID: 30568577 PMCID: PMC6289980 DOI: 10.3389/fncel.2018.00474] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 11/20/2018] [Indexed: 12/11/2022] Open
Abstract
Microglia are the primary immune cells residing in the central nervous system (CNS), where they play essential roles in the health and disease. Depending on the CNS inflammatory milieu, they exist in either resting or activated states. Chronic neuroinflammation mediated by activated microglia is now considered to be a common characteristic shared by many neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, and amyotrophic lateral sclerosis, which currently pose a significant socioeconomic burden to the global healthcare system. Accumulating evidence has indicated protein kinases (PKs) as important drug targets for therapeutic interventions of these detrimental diseases. Here, we review recent findings suggesting that selected PKs potentially participate in microglia-mediated neuroinflammation. Taming microglial phenotypes by modulating the activity of these PKs holds great promise for the development of disease-modifying therapies for many neurodegenerative diseases.
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Affiliation(s)
- Sun-Hwa Lee
- New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation, Daegu, South Korea
| | - Kyoungho Suk
- Department of Pharmacology, Brain Science and Engineering Institute, School of Medicine, Kyungpook National University, Daegu, South Korea
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