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Sentyabreva AV, Miroshnichenko EA, Melnikova EA, Tsvetkov IS, Kosyreva AM. Morphofunctional Changes in Brain and Peripheral Blood in Adult and Aged Wistar Rats with AlCl 3-Induced Neurodegeneration. Biomedicines 2023; 11:2336. [PMID: 37760778 PMCID: PMC10526012 DOI: 10.3390/biomedicines11092336] [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: 06/22/2023] [Revised: 08/09/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND the general lifespan has been prolonged greatly during the past century, and the incidence of age-associated diseases, including neurodegenerative ones, has increased as well. However, modelling of age-related pathologies is mostly conducted on adult rodents. We studied morphofunctional changes in the brain and peripheral blood of adult Wistar rats in comparison with old Wistar rats to determine age-related physiological changes and differences in adaptive reactions to AlCl3 exposure. METHODS the work was performed on adult and old male Wistar rats. The animals consumed a 100 mg/kg solution of AlCl3 each day for 60 days. Morphological changes of neurons and microglia, mRNA expression levels of pro-inflammatory and anti-inflammatory cytokines, microglia activation markers, amyloid-related proteins, and hallmarks of cellular senescence, monocyte, and lymphocyte subpopulations in the peripheral blood were examined. RESULTS old rats showed increasing hyperchromic neurons in the hippocampus; activation of microglia; upregulation of pro-inflammatory cytokines and cellular senescence markers; downregulation of anti-inflammatory cytokines; and Hif-1a and a decrease in B-cells and monocyte in peripheral blood. CONCLUSION compared to young animals, aged rats respond to aluminum exposure with a severe decline of most cells' function and irreversible neuronal loss. Regarding all reported data, neurodegeneration modelling and investigating of factors capable of accelerating or preventing it should be performed in experimental work on aged animals.
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Affiliation(s)
- Alexandra Vladislavovna Sentyabreva
- Avtsyn Research Institute of Human Morphology of “Petrovsky National Research Centre of Surgery”, 117418 Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Ekaterina Alexandrovna Miroshnichenko
- Avtsyn Research Institute of Human Morphology of “Petrovsky National Research Centre of Surgery”, 117418 Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Ekaterina Andreevna Melnikova
- Avtsyn Research Institute of Human Morphology of “Petrovsky National Research Centre of Surgery”, 117418 Moscow, Russia
| | - Ivan Sergeevich Tsvetkov
- Avtsyn Research Institute of Human Morphology of “Petrovsky National Research Centre of Surgery”, 117418 Moscow, Russia
| | - Anna Mikhailovna Kosyreva
- Avtsyn Research Institute of Human Morphology of “Petrovsky National Research Centre of Surgery”, 117418 Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
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Schreiner TG, Schreiner OD, Adam M, Popescu BO. The Roles of the Amyloid Beta Monomers in Physiological and Pathological Conditions. Biomedicines 2023; 11:1411. [PMID: 37239082 PMCID: PMC10216198 DOI: 10.3390/biomedicines11051411] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/30/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Amyloid beta peptide is an important biomarker in Alzheimer's disease, with the amyloidogenic hypothesis as one of the central hypotheses trying to explain this type of dementia. Despite numerous studies, the etiology of Alzheimer's disease remains incompletely known, as the pathological accumulation of amyloid beta aggregates cannot fully explain the complex clinical picture of the disease. Or, for the development of effective therapies, it is mandatory to understand the roles of amyloid beta at the brain level, from its initial monomeric stage prior to aggregation in the form of senile plaques. In this sense, this review aims to bring new, clinically relevant data on a subject intensely debated in the literature in the last years. In the first part, the amyloidogenic cascade is reviewed and the possible subtypes of amyloid beta are differentiated. In the second part, the roles played by the amyloid beta monomers in physiological and pathological (neurodegenerative) conditions are illustrated based on the most relevant and recent studies published on this topic. Finally, considering the importance of amyloid beta monomers in the pathophysiology of Alzheimer's disease, new research directions with diagnostic and therapeutic impacts are suggested.
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Affiliation(s)
- Thomas Gabriel Schreiner
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
- Faculty of Electrical Engineering and Information Technology, Gheorghe Asachi Technical University of Iasi, 21–23 Professor Dimitrie Mangeron Blvd., 700050 Iasi, Romania;
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania;
| | - Oliver Daniel Schreiner
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
- Medical Oncology Department, Regional Institute of Oncology, 700483 Iași, Romania
| | - Maricel Adam
- Faculty of Electrical Engineering and Information Technology, Gheorghe Asachi Technical University of Iasi, 21–23 Professor Dimitrie Mangeron Blvd., 700050 Iasi, Romania;
| | - Bogdan Ovidiu Popescu
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania;
- Neurology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Laboratory of Cell Biology, Neurosciences and Experimental Myology, Victor Babes National Institute of Pathology, 050096 Bucharest, Romania
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Naomi R, Yazid MD, Teoh SH, Balan SS, Shariff H, Kumar J, Bahari H, Embong H. Dietary Polyphenols as a Protection against Cognitive Decline: Evidence from Animal Experiments; Mechanisms and Limitations. Antioxidants (Basel) 2023; 12:antiox12051054. [PMID: 37237920 DOI: 10.3390/antiox12051054] [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: 03/18/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open
Abstract
Emerging evidence suggests that cognitive impairments may result from various factors, such as neuroinflammation, oxidative stress, mitochondrial damage, impaired neurogenesis, synaptic plasticity, blood-brain barrier (BBB) disruption, amyloid β protein (Aβ) deposition, and gut dysbiosis. Meanwhile, dietary polyphenol intake in a recommended dosage has been suggested to reverse cognitive dysfunction via various pathways. However, excessive intake of polyphenols could trigger unwanted adverse effects. Thus, this review aims to outline possible causes of cognitive impairments and how polyphenols alleviate memory loss via various pathways based on in vivo experimental studies. Thus, to identify potentially relevant articles, the keywords (1) nutritional polyphenol intervention NOT medicine AND neuron growth OR (2) dietary polyphenol AND neurogenesis AND memory impairment OR (3) polyphenol AND neuron regeneration AND memory deterioration (Boolean operators) were used in the Nature, PubMed, Scopus, and Wiley online libraries. Based on the inclusion and exclusion criteria, 36 research papers were selected to be further reviewed. The outcome of all the studies included supports the statement of appropriate dosage by taking into consideration gender differences, underlying conditions, lifestyle, and causative factors for cognitive decline, which will significantly boost memory power. Therefore, this review recapitulates the possible causes of cognitive decline, the mechanism of polyphenols involving various signaling pathways in modulating the memory, gut dysbiosis, endogenous antioxidants, bioavailability, dosage, and safety efficacy of polyphenols. Hence, this review is expected to provide a basic understanding of therapeutic development for cognitive impairments in the future.
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Affiliation(s)
- Ruth Naomi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Muhammad Dain Yazid
- Centre for Tissue Engineering and Regenerative Medicine (CTERM), Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Soo Huat Teoh
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Penang 13200, Malaysia
| | - Santhra Segaran Balan
- Department of Diagnostic and Allied Health Sciences, Faculty of Health and Life Sciences, Management and Science University, Shah Alam 40100, Malaysia
| | - Halim Shariff
- Faculty of Health Sciences, University Technology Mara (UITM) Pulau Pinang, Bertam Campus, Kepala Batas 13200, Malaysia
| | - Jaya Kumar
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Hasnah Bahari
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Hashim Embong
- Department of Emergency Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
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Kopp KO, Greer ME, Glotfelty EJ, Hsueh SC, Tweedie D, Kim DS, Reale M, Vargesson N, Greig NH. A New Generation of IMiDs as Treatments for Neuroinflammatory and Neurodegenerative Disorders. Biomolecules 2023; 13:biom13050747. [PMID: 37238617 DOI: 10.3390/biom13050747] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
The immunomodulatory imide drug (IMiD) class, which includes the founding drug member thalidomide and later generation drugs, lenalidomide and pomalidomide, has dramatically improved the clinical treatment of specific cancers, such as multiple myeloma, and it combines potent anticancer and anti-inflammatory actions. These actions, in large part, are mediated by IMiD binding to the human protein cereblon that forms a critical component of the E3 ubiquitin ligase complex. This complex ubiquitinates and thereby regulates the levels of multiple endogenous proteins. However, IMiD-cereblon binding modifies cereblon's normal targeted protein degradation towards a new set of neosubstrates that underlies the favorable pharmacological action of classical IMiDs, but also their adverse actions-in particular, their teratogenicity. The ability of classical IMiDs to reduce the synthesis of key proinflammatory cytokines, especially TNF-α levels, makes them potentially valuable to reposition as drugs to mitigate inflammatory-associated conditions and, particularly, neurological disorders driven by an excessive neuroinflammatory element, as occurs in traumatic brain injury, Alzheimer's and Parkinson's diseases, and ischemic stroke. The teratogenic and anticancer actions of classical IMiDs are substantial liabilities for effective drugs in these disorders and can theoretically be dialed out of the drug class. We review a select series of novel IMiDs designed to avoid binding with human cereblon and/or evade degradation of downstream neosubstrates considered to underpin the adverse actions of thalidomide-like drugs. These novel non-classical IMiDs hold potential as new medications for erythema nodosum leprosum (ENL), a painful inflammatory skin condition associated with Hansen's disease for which thalidomide remains widely used, and, in particular, as a new treatment strategy for neurodegenerative disorders in which neuroinflammation is a key component.
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Affiliation(s)
- Katherine O Kopp
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
| | - Margaret E Greer
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
- Faculty of Medicine, Georgetown University School of Medicine, Washington, DC 20007, USA
| | - Elliot J Glotfelty
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
- Department of Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Shih-Chang Hsueh
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
| | - Dong Seok Kim
- Aevisbio Inc., Gaithersburg, MD 20878, USA
- Aevis Bio Inc., Daejeon 34141, Republic of Korea
| | - Marcella Reale
- Department of Innovative Technologies in Medicine and Dentistry, G. d'Annunzio University of Chieti and Pescara, 66100 Chieti, Italy
| | - Neil Vargesson
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Nigel H Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, Biomedical Research Center, 251 Bayview Blvd., NIH, Baltimore, MD 21224, USA
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Xu QQ, Su ZR, Yang W, Zhong M, Xian YF, Lin ZX. Patchouli alcohol attenuates the cognitive deficits in a transgenic mouse model of Alzheimer's disease via modulating neuropathology and gut microbiota through suppressing C/EBPβ/AEP pathway. J Neuroinflammation 2023; 20:19. [PMID: 36717922 PMCID: PMC9887791 DOI: 10.1186/s12974-023-02704-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 01/22/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a chronic neurodegenerative disease characterized by progressive cognitive dysfunctions and behavioral impairments. Patchouli alcohol (PA), isolated from Pogostemonis Herba, exhibits multiple pharmacological properties, including neuroprotective effects. This study aimed to investigate the therapeutic effects of PA against AD using the TgCRND8 transgenic AD mouse model, and to explore the underlying mechanisms targeting CCAAT/enhancer-binding protein β/asparagine endopeptidase (C/EBPβ/AEP) signaling pathway. METHODS After genotyping to confirm the transgenicity, drug treatments were administered intragastrically once daily to 3-month-old TgCRND8 mice for 4 consecutive months. Several behavioral tests were applied to assess different aspects of neurological functions. Then the brain and colon tissues were harvested for in-depth mechanistic studies. To further verify whether PA exerts anti-AD effects via modulating C/EBPβ/AEP signaling pathway in TgCRND8 mice, adeno-associated virus (AAV) vectors encoding CEBP/β were bilaterally injected into the hippocampal CA1 region in TgCRND8 mice to overexpress C/EBPβ. Additionally, the fecal microbiota transplantation (FMT) experiment was performed to verify the potential role of gut microbiota on the anti-AD effects of PA. RESULTS Our results showed that PA treatment significantly improved activities of daily living (ADL), ameliorated the anxiety-related behavioral deficits and cognitive impairments in TgCRND8 mice. PA modulated the amyloid precursor protein (APP) processing. PA also markedly reduced the levels of beta-amyloid (Aβ) 40 and Aβ42, suppressed Aβ plaque burdens, inhibited tau protein hyperphosphorylation at several sites and relieved neuroinflammation in the brains of TgCRND8 mice. Moreover, PA restored gut dysbiosis and inhibited the activation of the C/EBPβ/AEP signaling pathway in the brain and colon tissues of TgCRND8 mice. Interestingly, PA strikingly alleviated the AD-like pathologies induced by the overexpression of C/EBPβ in TgCRND8 mice. Additionally, the FMT of fecal microbiota from the PA-treated TgCRND8 mice significantly alleviated the cognitive impairments and AD-like pathologies in the germ-free TgCRND8 mice. CONCLUSION All these findings amply demonstrated that PA could ameliorate the cognitive deficits in TgCRND8 mice via suppressing Aβ plaques deposition, hyperphosphorylation of tau protein, neuroinflammation and gut dysbiosis through inhibiting the activation of C/EBPβ/AEP pathway, suggesting that PA is a promising naturally occurring chemical worthy of further development into the pharmaceutical treatment of AD.
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Affiliation(s)
- Qing-Qing Xu
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China
| | - Zi-Ren Su
- grid.411866.c0000 0000 8848 7685Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006 China
| | - Wen Yang
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China
| | - Mei Zhong
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China
| | - Yan-Fang Xian
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China
| | - Zhi-Xiu Lin
- grid.10784.3a0000 0004 1937 0482School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China ,grid.10784.3a0000 0004 1937 0482Hong Kong Institute of Integrative Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China ,grid.10784.3a0000 0004 1937 0482Li Dak Sum Yip Yio Chin R&D Centre for Chinese Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, People’s Republic of China
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Kopp KO, Glotfelty EJ, Li Y, Greig NH. Glucagon-like peptide-1 (GLP-1) receptor agonists and neuroinflammation: Implications for neurodegenerative disease treatment. Pharmacol Res 2022; 186:106550. [PMID: 36372278 PMCID: PMC9712272 DOI: 10.1016/j.phrs.2022.106550] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/03/2022] [Accepted: 11/06/2022] [Indexed: 11/13/2022]
Abstract
Chronic, excessive neuroinflammation is a key feature of neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease (PD). However, neuroinflammatory pathways have yet to be effectively targeted in clinical treatments for such diseases. Interestingly, increased inflammation and neurodegenerative disease risk have been associated with type 2 diabetes mellitus (T2DM) and insulin resistance (IR), suggesting that treatments that mitigate T2DM pathology may be successful in treating neuroinflammatory and neurodegenerative pathology as well. Glucagon-like peptide-1 (GLP-1) is an incretin hormone that promotes healthy insulin signaling, regulates blood sugar levels, and suppresses appetite. Consequently, numerous GLP-1 receptor (GLP-1R) stimulating drugs have been developed and approved by the US Food and Drug Administration (FDA) and related global regulatory authorities for the treatment of T2DM. Furthermore, GLP-1R stimulating drugs have been associated with anti-inflammatory, neurotrophic, and neuroprotective properties in neurodegenerative disorder preclinical models, and hence hold promise for repurposing as a treatment for neurodegenerative diseases. In this review, we discuss incretin signaling, neuroinflammatory pathways, and the intersections between neuroinflammation, brain IR, and neurodegenerative diseases, with a focus on AD and PD. We additionally overview current FDA-approved incretin receptor stimulating drugs and agents in development, including unimolecular single, dual, and triple receptor agonists, and highlight those in clinical trials for neurodegenerative disease treatment. We propose that repurposing already-approved GLP-1R agonists for the treatment of neurodegenerative diseases may be a safe, efficacious, and cost-effective strategy for ameliorating AD and PD pathology by quelling neuroinflammation.
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Affiliation(s)
- Katherine O Kopp
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, United States.
| | - Elliot J Glotfelty
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, United States; Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Yazhou Li
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, United States
| | - Nigel H Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, United States.
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Li N, Deng M, Hu G, Li N, Yuan H, Zhou Y. New Insights into Microglial Mechanisms of Memory Impairment in Alzheimer's Disease. Biomolecules 2022; 12:1722. [PMID: 36421736 PMCID: PMC9687453 DOI: 10.3390/biom12111722] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 09/15/2023] Open
Abstract
Alzheimer's disease (AD) is the most common progressive and irreversible neurodegeneration characterized by the impairment of memory and cognition. Despite years of studies, no effective treatment and prevention strategies are available yet. Identifying new AD therapeutic targets is crucial for better elucidating the pathogenesis and establishing a valid treatment of AD. Growing evidence suggests that microglia play a critical role in AD. Microglia are resident macrophages in the central nervous system (CNS), and their core properties supporting main biological functions include surveillance, phagocytosis, and the release of soluble factors. Activated microglia not only directly mediate the central immune response, but also participate in the pathological changes of AD, including amyloid-beta (Aβ) aggregation, tau protein phosphorylation, synaptic dissection, neuron loss, memory function decline, etc. Based on these recent findings, we provide a new framework to summarize the role of microglia in AD memory impairment. This evidence suggests that microglia have the potential to become new targets for AD therapy.
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Affiliation(s)
- Na Li
- Department of Rehabilitation Medicine, Affiliated Hospital of Qingdao University, Qingdao 266000, China
- Department of Medicine, Qingdao Binhai University, Qingdao 266555, China
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Qingdao University, Qingdao 266071, China
| | - Mingru Deng
- Department of Neurology, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao 266042, China
| | - Gonghui Hu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Qingdao University, Qingdao 266071, China
| | - Nan Li
- Department of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266000, China
| | - Haicheng Yuan
- Department of Neurology, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao 266042, China
| | - Yu Zhou
- Department of Rehabilitation Medicine, Affiliated Hospital of Qingdao University, Qingdao 266000, China
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Qingdao University, Qingdao 266071, China
- Department of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266000, China
- Institute of Brain Sciences and Related Disorders, Qingdao University, Qingdao 266071, China
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Ding J, Huang J, Tang X, Shen L, Hu S, He J, Liu T, Yu Z, Liu Y, Wang Q, Wang J, Zhao N, Qi X, Huang J. Low and high dose methamphetamine differentially regulate synaptic structural plasticity in cortex and hippocampus. Front Cell Neurosci 2022; 16:1003617. [PMID: 36406748 PMCID: PMC9666390 DOI: 10.3389/fncel.2022.1003617] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/19/2022] [Indexed: 03/24/2024] Open
Abstract
Psychostimulants, such as methamphetamine (METH) can induce structural remodeling of synapses by remodeling presynaptic and postsynaptic morphology. Escalating or long-lasting high dose METH accounts for neurodegeneration by targeting multiple neurotransmitters. However, the effects of low dose METH on synaptic structure and the modulation mechanism remain elusive. This study aims to assess the effects of low dose (2 mg/kg) and high dose (10 mg/kg) of METH on synaptic structure alternation in hippocampus and prefrontal cortex (PFC) and to reveal the underlying mechanism involved in the process. Low dose METH promoted spine formation, synaptic number increase, post-synaptic density length elongation, and memory function. High dose of METH induced synaptic degeneration, neuronal number loss and memory impairment. Moreover, high dose, but not low dose, of METH caused gliosis in PFC and hippocampus. Mechanism-wise, low dose METH inactivated ras-related C3 botulinum toxin substrate 1 (Rac1) and activated cell division control protein 42 homolog (Cdc42); whereas high dose METH inactivated Cdc42 and activated Rac1. We provided evidence that low and high doses of METH differentially regulate synaptic plasticity in cortex and hippocampus.
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Affiliation(s)
- Jiuyang Ding
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Jian Huang
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Xiang Tang
- Department of Children Rehabilitation, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Children’s Hospital of Chongqing Medical University, Chongqing, China
- National Clinical Research Center for Child Health and Disorders, Children’s Hospital of Chongqing Medical University, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Lingyi Shen
- School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Shanshan Hu
- Good Clinical Practice Center, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiaojiao He
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, China
| | - Ting Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Zhixing Yu
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
| | - Yubo Liu
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
| | - Qiyan Wang
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
| | - Jiawen Wang
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
| | - Na Zhao
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
| | - Xiaolan Qi
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Jiang Huang
- School of Forensic Medicine, Guizhou Medical University, Guiyang, China
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Ghaderi S, Gholipour P, Komaki A, Salehi I, Rashidi K, Esmaeil Khoshnam S, Rashno M. p-Coumaric acid ameliorates cognitive and non-cognitive disturbances in a rat model of Alzheimer’s disease: The role of oxidative stress and inflammation. Int Immunopharmacol 2022; 112:109295. [DOI: 10.1016/j.intimp.2022.109295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/11/2022] [Accepted: 09/25/2022] [Indexed: 11/05/2022]
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Xu QQ, Su ZR, Hu Z, Yang W, Xian YF, Lin ZX. Patchouli alcohol ameliorates the learning and memory impairments in an animal model of Alzheimer's disease via modulating SIRT1. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 106:154441. [PMID: 36108371 DOI: 10.1016/j.phymed.2022.154441] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/14/2022] [Accepted: 09/04/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Alzheimer's disease (AD) is one of the most prevalent neurodegenerative diseases. Patchouli alcohol (PA), a major active ingredient isolated from Pogostemonis Herba, exhibits extensive bioactivity in the central nervous system (CNS) and exerts neuroprotective effects. PURPOSE This study aimed to investigate the anti-AD effects of PA in an animal model of AD and to elucidate the underlying molecular mechanisms. METHODS The gas chromatography (GC) was used to determine the ability of PA to pass the blood-brain barrier (BBB) in rats after oral administration. The sporadic AD rat model was established by intracerebroventricularly (ICV) injection with streptozotocin (STZ). PA (25 and 50 mg/kg) was given to rat orally once daily for 42 consecutive days. Morris water maze (MWM) test was performed to determine the learning and memory functions of the STZ-induced AD rats. EX527, a silent information regulator 1 (SIRT1) selective inhibitor, was used to investigate the involvement of SIRT1 in the anti-AD effects of PA in rats. RESULTS PA could penetrate the BBB. MWM test results showed that PA could significantly ameliorate the learning and memory deficits induced by STZ in rats. Meanwhile, PA enhanced the expression of SIRT1, and markedly alleviated the tau pathology by inhibiting the hyperacetylation (at the site of Lys174) and hyperphosphorylation (at the sites of Thr181, Thr205, Ser396 and Ser404) of tau protein. PA also efficiently suppressed the activation of microglia and astrocytes, and the beta-amyloid (Aβ) expression and the deacetylation of nuclear factor-kappa B (NF-κB) at Lys 310 (K310) in the STZ-treated AD rats. EX527, a SIRT1 selective inhibitor, could partially abolish the cognitive deficits improving effect of PA and inhibit the down-regulation of acetylated tau and acetylated NF-κB p65, suggesting that PA exhibited neuroprotective effects against AD via upregulating SIRT1. CONCLUSION This study reported for the first time that PA could penetrate the BBB to exert its protective effects on the brain after a single-dose oral administration. The current experimental findings also amply demonstrated that PA could improve the cognitive and memory impairments in the STZ-induced AD rat model. The underlying mechanisms involve the alleviations of neuroinflammation, tau pathology and Aβ deposition via modulating of SIRT1 and NF-κB pathways. All these findings strongly suggest that PA is a promising naturally occurring compound worthy of further development into an anti-AD pharmaceutical.
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Affiliation(s)
- Qing-Qing Xu
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
| | - Zi-Ren Su
- Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Zhen Hu
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
| | - Wen Yang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
| | - Yan-Fang Xian
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China.
| | - Zhi-Xiu Lin
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China; Hong Kong Institute of Integrative Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China; Li Dak Sum Yip Yio Chin R&D Centre for Chinese Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China.
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Hsueh SC, Scerba MT, Tweedie D, Lecca D, Kim DS, Baig AM, Kim YK, Hwang I, Kim S, Selman WR, Hoffer BJ, Greig NH. Activity of a Novel Anti-Inflammatory Agent F-3,6'-dithiopomalidomide as a Treatment for Traumatic Brain Injury. Biomedicines 2022; 10:2449. [PMID: 36289711 PMCID: PMC9598880 DOI: 10.3390/biomedicines10102449] [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: 08/20/2022] [Revised: 09/01/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Abstract
Traumatic brain injury (TBI) is a major risk factor for several neurodegenerative disorders, including Parkinson's disease (PD) and Alzheimer's disease (AD). Neuroinflammation is a cause of later secondary cell death following TBI, has the potential to aggravate the initial impact, and provides a therapeutic target, albeit that has failed to translate into clinical trial success. Thalidomide-like compounds have neuroinflammation reduction properties across cellular and animal models of TBI and neurodegenerative disorders. They lower the generation of proinflammatory cytokines, particularly TNF-α which is pivotal in microglial cell activation. Unfortunately, thalidomide-like drugs possess adverse effects in humans before achieving anti-inflammatory drug levels. We developed F-3,6'-dithiopomalidomide (F-3,6'-DP) as a novel thalidomide-like compound to ameliorate inflammation. F-3,6'-DP binds to cereblon but does not efficiently trigger the degradation of the transcription factors (SALL4, Ikaros, and Aiolos) associated with the teratogenic and anti-proliferative responses of thalidomide-like drugs. We utilized a phenotypic drug discovery approach that employed cellular and animal models in the selection and development of F-3,6'-DP. F-3,6'-DP significantly mitigated LPS-induced inflammatory markers in RAW 264.7 cells, and lowered proinflammatory cytokine/chemokine levels in the plasma and brain of rats challenged with systemic LPS. We subsequently examined immunohistochemical, biochemical, and behavioral measures following controlled cortical impact (CCI) in mice, a model of moderate TBI known to induce inflammation. F-3,6'-DP decreased CCI-induced neuroinflammation, neuronal loss, and behavioral deficits when administered after TBI. F-3,6'-DP represents a novel class of thalidomide-like drugs that do not lower classical cereblon-associated transcription factors but retain anti-inflammatory actions and possess efficacy in the treatment of TBI and potentially longer-term neurodegenerative disorders.
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Affiliation(s)
- Shih Chang Hsueh
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Michael T. Scerba
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Daniela Lecca
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Dong Seok Kim
- AevisBio, Inc., Gaithersburg, MD 20878, USA
- Aevis Bio, Inc., Daejeon 34141, Korea
| | - Abdul Mannan Baig
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi 74800, Pakistan
| | | | | | - Sun Kim
- Aevis Bio, Inc., Daejeon 34141, Korea
| | - Warren R. Selman
- Department of Neurological Surgery, Case Western Reserve University and University Hospitals, Cleveland, OH 44106, USA
| | - Barry J. Hoffer
- Department of Neurological Surgery, Case Western Reserve University and University Hospitals, Cleveland, OH 44106, USA
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA
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Iba M, McDevitt RA, Kim C, Roy R, Sarantopoulou D, Tommer E, Siegars B, Sallin M, Kwon S, Sen JM, Sen R, Masliah E. Aging exacerbates the brain inflammatory micro-environment contributing to α-synuclein pathology and functional deficits in a mouse model of DLB/PD. Mol Neurodegener 2022; 17:60. [PMID: 36064424 PMCID: PMC9447339 DOI: 10.1186/s13024-022-00564-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 08/19/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Although ɑ-synuclein (ɑ-syn) spreading in age-related neurodegenerative diseases such as Parkinson's disease (PD) and Dementia with Lewy bodies (DLB) has been extensively investigated, the role of aging in the manifestation of disease remains unclear. METHODS We explored the role of aging and inflammation in the pathogenesis of synucleinopathies in a mouse model of DLB/PD initiated by intrastriatal injection of ɑ-syn preformed fibrils (pff). RESULTS We found that aged mice showed more extensive accumulation of ɑ-syn in selected brain regions and behavioral deficits that were associated with greater infiltration of T cells and microgliosis. Microglial inflammatory gene expression induced by ɑ-syn-pff injection in young mice had hallmarks of aged microglia, indicating that enhanced age-associated pathologies may result from inflammatory synergy between aging and the effects of ɑ-syn aggregation. Based on the transcriptomics analysis projected from Ingenuity Pathway Analysis, we found a network that included colony stimulating factor 2 (CSF2), LPS related genes, TNFɑ and poly rl:rC-RNA as common regulators. CONCLUSIONS We propose that aging related inflammation (eg: CSF2) influences outcomes of pathological spreading of ɑ-syn and suggest that targeting neuro-immune responses might be important in developing treatments for DLB/PD.
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Affiliation(s)
- Michiyo Iba
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ross A McDevitt
- Mouse Phenotyping Unit, Comparative Medicine Section, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Changyoun Kim
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Roshni Roy
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Dimitra Sarantopoulou
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Ella Tommer
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Byron Siegars
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Michelle Sallin
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Somin Kwon
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jyoti Misra Sen
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
- Immunology Program, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, 21224, USA
| | - Ranjan Sen
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
- Immunology Program, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, 21224, USA
| | - Eliezer Masliah
- Laboratory of Neurogenetics, Molecular Neuropathology Section, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA.
- Division of Neuroscience, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20814, USA.
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Spatiotemporal dynamics of the cellular components involved in glial scar formation following spinal cord injury. Biomed Pharmacother 2022; 153:113500. [DOI: 10.1016/j.biopha.2022.113500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/19/2022] [Accepted: 07/30/2022] [Indexed: 11/30/2022] Open
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Palmas MF, Etzi M, Pisanu A, Camoglio C, Sagheddu C, Santoni M, Manchinu MF, Pala M, Fusco G, De Simone A, Picci L, Mulas G, Spiga S, Scherma M, Fadda P, Pistis M, Simola N, Carboni E, Carta AR. The Intranigral Infusion of Human-Alpha Synuclein Oligomers Induces a Cognitive Impairment in Rats Associated with Changes in Neuronal Firing and Neuroinflammation in the Anterior Cingulate Cortex. Cells 2022; 11:cells11172628. [PMID: 36078036 PMCID: PMC9454687 DOI: 10.3390/cells11172628] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/03/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Parkinson’s disease (PD) is a complex pathology causing a plethora of non-motor symptoms besides classical motor impairments, including cognitive disturbances. Recent studies in the PD human brain have reported microgliosis in limbic and neocortical structures, suggesting a role for neuroinflammation in the development of cognitive decline. Yet, the mechanism underlying the cognitive pathology is under investigated, mainly for the lack of a valid preclinical neuropathological model reproducing the disease’s motor and non-motor aspects. Here, we show that the bilateral intracerebral infusion of pre-formed human alpha synuclein oligomers (H-αSynOs) within the substantia nigra pars compacta (SNpc) offers a valid model for studying the cognitive symptoms of PD, which adds to the classical motor aspects previously described in the same model. Indeed, H-αSynOs-infused rats displayed memory deficits in the two-trial recognition task in a Y maze and the novel object recognition (NOR) test performed three months after the oligomer infusion. In the anterior cingulate cortex (ACC) of H-αSynOs-infused rats the in vivo electrophysiological activity was altered and the expression of the neuron-specific immediate early gene (IEG) Npas4 (Neuronal PAS domain protein 4) and the AMPA receptor subunit GluR1 were decreased. The histological analysis of the brain of cognitively impaired rats showed a neuroinflammatory response in cognition-related regions such as the ACC and discrete subareas of the hippocampus, in the absence of any evident neuronal loss, supporting a role of neuroinflammation in cognitive decline. We found an increased GFAP reactivity and the acquisition of a proinflammatory phenotype by microglia, as indicated by the increased levels of microglial Tumor Necrosis Factor alpha (TNF-α) as compared to vehicle-infused rats. Moreover, diffused deposits of phospho-alpha synuclein (p-αSyn) and Lewy neurite-like aggregates were found in the SNpc and striatum, suggesting the spreading of toxic protein within anatomically interconnected areas. Altogether, we present a neuropathological rat model of PD that is relevant for the study of cognitive dysfunction featuring the disease. The intranigral infusion of toxic oligomeric species of alpha-synuclein (α-Syn) induced spreading and neuroinflammation in distant cognition-relevant regions, which may drive the altered neuronal activity underlying cognitive deficits.
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Affiliation(s)
| | - Michela Etzi
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Augusta Pisanu
- National Research Council, Institute of Neuroscience, 09040 Cagliari, Italy
| | - Chiara Camoglio
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Claudia Sagheddu
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Michele Santoni
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Maria Francesca Manchinu
- Istituto Di Ricerca Genetica e Biomedica Del Consiglio Nazionale Delle Ricerche, 09040 Monserrato, Italy
| | - Mauro Pala
- Istituto Di Ricerca Genetica e Biomedica Del Consiglio Nazionale Delle Ricerche, 09040 Monserrato, Italy
| | - Giuliana Fusco
- Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Alfonso De Simone
- Department of Pharmacy, University of Naples “Federico II”, 80131 Naples, Italy
| | - Luca Picci
- Department of Life and Environmental Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Giovanna Mulas
- Department of Life and Environmental Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Saturnino Spiga
- Department of Life and Environmental Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Maria Scherma
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Paola Fadda
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Marco Pistis
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Nicola Simola
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Ezio Carboni
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
| | - Anna R. Carta
- Department of Biomedical Sciences, University of Cagliari, 09040 Cagliari, Italy
- Correspondence:
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Tsai YR, Kim DS, Hsueh SC, Chen KY, Wu JCC, Wang JY, Tsou YS, Hwang I, Kim Y, Gil D, Jo EJ, Han BS, Tweedie D, Lecca D, Scerba MT, Selman WR, Hoffer BJ, Greig NH, Chiang YH. 3,6'- and 1,6'-Dithiopomalidomide Mitigate Ischemic Stroke in Rats and Blunt Inflammation. Pharmaceutics 2022; 14:950. [PMID: 35631536 PMCID: PMC9146426 DOI: 10.3390/pharmaceutics14050950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/11/2022] [Accepted: 04/25/2022] [Indexed: 01/20/2023] Open
Abstract
(1) Background: An important concomitant of stroke is neuroinflammation. Pomalidomide, a clinically available immunomodulatory imide drug (IMiD) used in cancer therapy, lowers TNF-α generation and thus has potent anti-inflammatory actions. Well-tolerated analogs may provide a stroke treatment and allow evaluation of the role of neuroinflammation in the ischemic brain. (2) Methods: Two novel pomalidomide derivatives, 3,6'-dithiopomalidomide (3,6'-DP) and 1,6'-dithiopomalidomide (1,6'-DP), were evaluated alongside pomalidomide in a rat middle cerebral artery occlusion (MCAo) stroke model, and their anti-inflammatory actions were characterized. (3) Results: Post-MCAo administration of all drugs lowered pro-inflammatory TNF-α and IL1-β levels, and reduced stroke-induced postural asymmetry and infarct size. Whereas 3,6'- and 1,6'-DP, like pomalidomide, potently bound to cereblon in cellular studies, 3,6'-DP did not lower Ikaros, Aiolos or SALL4 levels-critical intermediates mediating the anticancer/teratogenic actions of pomalidomide and IMiDs. 3,6'-DP and 1,6'-DP lacked activity in mammalian chromosome aberration, AMES and hERG channel assays -critical FDA regulatory tests. Finally, 3,6'- and 1,6'-DP mitigated inflammation across rat primary dopaminergic neuron and microglia mixed cultures challenged with α-synuclein and mouse LPS-challenged RAW 264.7 cells. (4) Conclusion: Neuroinflammation mediated via TNF-α plays a key role in stroke outcome, and 3,6'-DP and 1,6'-DP may prove valuable as stroke therapies and thus warrant further preclinical development.
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Affiliation(s)
- Yan-Rou Tsai
- Neuroscience Research Center, Taipei Medical University, Taipei 110, Taiwan; (Y.-R.T.); (K.-Y.C.); (J.C.-C.W.); (J.-Y.W.)
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
| | - Dong Seok Kim
- Aevisbio Inc., Gaithersburg, MD 20878, USA;
- Aevis Bio Inc., Daejeon 34141, Korea; (I.H.); (Y.K.); (D.G.); (E.J.J.)
| | - Shih-Chang Hsueh
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA; (S.-C.H.); (D.T.); (D.L.); (M.T.S.)
| | - Kai-Yun Chen
- Neuroscience Research Center, Taipei Medical University, Taipei 110, Taiwan; (Y.-R.T.); (K.-Y.C.); (J.C.-C.W.); (J.-Y.W.)
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
| | - John Chung-Che Wu
- Neuroscience Research Center, Taipei Medical University, Taipei 110, Taiwan; (Y.-R.T.); (K.-Y.C.); (J.C.-C.W.); (J.-Y.W.)
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Jia-Yi Wang
- Neuroscience Research Center, Taipei Medical University, Taipei 110, Taiwan; (Y.-R.T.); (K.-Y.C.); (J.C.-C.W.); (J.-Y.W.)
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
| | - Yi-Syue Tsou
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
- Taipei Neuroscience Institute, Taipei Medical University, Taipei 110, Taiwan
| | - Inho Hwang
- Aevis Bio Inc., Daejeon 34141, Korea; (I.H.); (Y.K.); (D.G.); (E.J.J.)
| | - Yukyung Kim
- Aevis Bio Inc., Daejeon 34141, Korea; (I.H.); (Y.K.); (D.G.); (E.J.J.)
| | - Dayeon Gil
- Aevis Bio Inc., Daejeon 34141, Korea; (I.H.); (Y.K.); (D.G.); (E.J.J.)
| | - Eui Jung Jo
- Aevis Bio Inc., Daejeon 34141, Korea; (I.H.); (Y.K.); (D.G.); (E.J.J.)
| | - Baek-Soo Han
- Research Center for Biodefence, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Korea;
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA; (S.-C.H.); (D.T.); (D.L.); (M.T.S.)
| | - Daniela Lecca
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA; (S.-C.H.); (D.T.); (D.L.); (M.T.S.)
| | - Michael T. Scerba
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA; (S.-C.H.); (D.T.); (D.L.); (M.T.S.)
| | - Warren R. Selman
- Department of Neurological Surgery, Case Western Reserve University, Cleveland, OH 44106, USA; (W.R.S.); (B.J.H.)
- University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
| | - Barry J. Hoffer
- Department of Neurological Surgery, Case Western Reserve University, Cleveland, OH 44106, USA; (W.R.S.); (B.J.H.)
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program National Institute on Aging, NIH, Baltimore, MD 21224, USA; (S.-C.H.); (D.T.); (D.L.); (M.T.S.)
| | - Yung-Hsiao Chiang
- Neuroscience Research Center, Taipei Medical University, Taipei 110, Taiwan; (Y.-R.T.); (K.-Y.C.); (J.C.-C.W.); (J.-Y.W.)
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
- Department of Surgery, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
- Taipei Neuroscience Institute, Taipei Medical University, Taipei 110, Taiwan
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