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Sharma S, Gilberto VS, Rask J, Chatterjee A, Nagpal P. Inflammasome-Inhibiting Nanoligomers Are Neuroprotective against Space-Induced Pathology in Healthy and Diseased Three-Dimensional Human Motor and Prefrontal Cortex Brain Organoids. ACS Chem Neurosci 2024; 15:3009-3021. [PMID: 39084211 DOI: 10.1021/acschemneuro.4c00160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024] Open
Abstract
The microgravity and space environment has been linked to deficits in neuromuscular and cognitive capabilities, hypothesized to occur due to accelerated aging and neurodegeneration in space. While the specific mechanisms are still being investigated, spaceflight-associated neuropathology is an important health risk to astronauts and space tourists and is being actively investigated for the development of appropriate countermeasures. However, such space-induced neuropathology offers an opportunity for accelerated screening of therapeutic targets and lead molecules for treating neurodegenerative diseases. Here, we show a proof-of-concept high-throughput target screening (on Earth), target validation, and mitigation of microgravity-induced neuropathology using our Nanoligomer platform, onboard the 43-day SpaceX CRS-29 mission to the International Space Station. First, comparing 3D healthy and diseased prefrontal cortex (PFC, for cognition) and motor neuron (MN, for neuromuscular function) organoids, we assessed space-induced pathology using biomarkers relevant to Alzheimer's disease (AD), frontotemporal dementia (FTD), and amyotrophic lateral sclerosis (ALS). Both healthy and diseased PFC and MN organoids showed significantly enhanced neurodegeneration in space, as measured through relevant disease biomarkers, when compared to their respective Earth controls. Second, we tested the top two lead molecules, NI112 that targeted NF-κB and NI113 that targeted IL-6. We observed that these Nanoligomers significantly mitigate the AD, FTD, and ALS relevant biomarkers like amyloid beta-42 (Aβ42), phosphorylated tau (pTau), Kallikrein (KLK-6), Tar DNA-binding protein 43 (TDP-43), and others. Moreover, the 43-day Nanoligomer treatment of these brain organoids did not appear to cause any observable toxicity or safety issues in the target organoid tissue, suggesting good tolerability for these molecules in the brain at physiologically relevant doses. Together, these results show significant potential for both the development and translation of NI112 and NI113 molecules as potential neuroprotective countermeasures for safer space travel and demonstrate the usefulness of the space environment for rapid, high-throughput screening of targets and lead molecules for clinical translation. We assert that the use of microgravity in drug development and screening may ultimately benefit millions of patients suffering from debilitating neurodegenerative diseases on Earth.
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Affiliation(s)
- Sadhana Sharma
- Sachi Bio, 685 S Arthur Avenue, Colorado Technology Center, Louisville, Colorado 80027, United States
| | - Vincenzo S Gilberto
- Sachi Bio, 685 S Arthur Avenue, Colorado Technology Center, Louisville, Colorado 80027, United States
| | - Jon Rask
- NASA Ames Research Center, Moffett Field, California, California 94035, United States
| | - Anushree Chatterjee
- Sachi Bio, 685 S Arthur Avenue, Colorado Technology Center, Louisville, Colorado 80027, United States
| | - Prashant Nagpal
- Sachi Bio, 685 S Arthur Avenue, Colorado Technology Center, Louisville, Colorado 80027, United States
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2
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Ito-Silva VI, Smith BJ, Martins-de-Souza D. The autophagy proteome in the brain. J Neurochem 2024. [PMID: 39155518 DOI: 10.1111/jnc.16204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 07/26/2024] [Accepted: 07/30/2024] [Indexed: 08/20/2024]
Abstract
As one of the most important cellular housekeepers, autophagy directly affects cellular health, homeostasis, and function. Even though the mechanisms behind autophagy are well described, how molecular alterations and dysfunctions can lead to pathology in disease contexts still demands deeper investigation. Proteomics is a widely employed tool used to investigate molecular alterations associated with pathological states and has proven useful in identifying alterations in protein expression levels and post-translational modifications in autophagy. In this narrative review, we expand on the molecular mechanisms behind autophagy and its regulation, and further compile recent literature associating autophagy disturbances in context of brain disorders, utilizing discoveries from varying models and species from rodents and cellular models to human post-mortem brain samples. To outline, the canonical pathways of autophagy, the effects of post-translational modifications on regulating each step of autophagy, and the future directions of proteomics in autophagy will be discussed. We further aim to suggest how advancing proteomics can help further unveil molecular mechanisms with regard to neurological disorders.
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Affiliation(s)
- Vitor I Ito-Silva
- Laboratory of Neuroproteomics, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Bradley J Smith
- Laboratory of Neuroproteomics, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Daniel Martins-de-Souza
- Laboratory of Neuroproteomics, Institute of Biology, University of Campinas, Campinas, Brazil
- D'Or Institute for Research and Education (IDOR), São Paulo, Brazil
- Experimental Medicine Research Cluster (EMRC), University of Campinas, Campinas, Brazil
- INCT in Modelling Human Complex Diseases with 3D Platforms (Model3D), São Paulo, Brazil
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3
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Bhardwaj S, Grewal AK, Singh S, Dhankar V, Jindal A. An insight into the concept of neuroinflammation and neurodegeneration in Alzheimer's disease: targeting molecular approach Nrf2, NF-κB, and CREB. Inflammopharmacology 2024:10.1007/s10787-024-01502-2. [PMID: 38951436 DOI: 10.1007/s10787-024-01502-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 06/04/2024] [Indexed: 07/03/2024]
Abstract
Alzheimer's disease (AD) is a most prevalent neurologic disorder characterized by cognitive dysfunction, amyloid-β (Aβ) protein accumulation, and excessive neuroinflammation. It affects various life tasks and reduces thinking, memory, capability, reasoning and orientation ability, decision, and language. The major parts responsible for these abnormalities are the cerebral cortex, amygdala, and hippocampus. Excessive inflammatory markers release, and microglial activation affect post-synaptic neurotransmission. Various mechanisms of AD pathogenesis have been explored, but still, there is a need to debate the role of NF-κB, Nrf2, inflammatory markers, CREB signaling, etc. In this review, we have briefly discussed the signaling mechanisms and function of the NF-ĸB signaling pathway, inflammatory mediators, microglia activation, and alteration of autophagy. NF-κB inhibition is a current strategy to counter neuroinflammation and neurodegeneration in the brain of individuals with AD. In clinical trials, numbers of NF-κB modulators are being examined. Recent reports revealed that molecular and cellular pathways initiate complex pathological competencies that cause AD. Moreover, this review will provide extensive knowledge of the cAMP response element binding protein (CREB) and how these nuclear proteins affect neuronal plasticity.
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Affiliation(s)
- Shaveta Bhardwaj
- G.H.G. Khalsa College of Pharmacy, Gurusar Sudhar, Ludhiana, India
| | - Amarjot Kaur Grewal
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab 140401, India.
| | - Shamsher Singh
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
| | - Vaibhav Dhankar
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Anu Jindal
- G.H.G. Khalsa College of Pharmacy, Gurusar Sudhar, Ludhiana, India
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4
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Zhang YX, Chi XQ, Li M, Zhang W, Guan Y, Wu LQ. Nicotine improves DSS-induced colitis by inhibiting NLRP3 and altering gut microbiota. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:616-635. [PMID: 38655696 DOI: 10.1080/10286020.2024.2331773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 03/13/2024] [Indexed: 04/26/2024]
Abstract
Ulcerative colitis (UC) is a chronic recurrent inflammatory disease affecting the rectum and colon. Numerous epidemiological studies have identified smoking as a protective factor for UC. Dysbiosis of intestinal microbiota and release of inflammatory factors are well-established characteristics associated with UC. Therefore, we have observed that nicotine exhibits the potential to ameliorate colitis symptoms in UC mice. Additionally, it exerts a regulatory effect on colonic microbiota dysbiosis by promoting the growth of beneficial bacteria while suppressing harmful bacteria. Combined in vivo and in vitro investigations demonstrate that nicotine primarily impedes the assembly of NLRP3, subsequently inhibiting downstream IL-1β secretion.
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Affiliation(s)
- Yi-Xiang Zhang
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xiao-Qian Chi
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Meng Li
- Joint Institute of Tobacco and Health, Research & Development Centre, China Tobacco Yunnan Industrial Co., Ltd., Kunming 650231, China
| | - Wei Zhang
- Joint Institute of Tobacco and Health, Research & Development Centre, China Tobacco Yunnan Industrial Co., Ltd., Kunming 650231, China
| | - Ying Guan
- Joint Institute of Tobacco and Health, Research & Development Centre, China Tobacco Yunnan Industrial Co., Ltd., Kunming 650231, China
| | - Lian-Qiu Wu
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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Sharma S, Risen S, Gilberto VS, Boland S, Chatterjee A, Moreno JA, Nagpal P. Targeted-Neuroinflammation Mitigation Using Inflammasome-Inhibiting Nanoligomers is Therapeutic in an Experimental Autoimmune Encephalomyelitis Mouse Model. ACS Chem Neurosci 2024; 15:1596-1608. [PMID: 38526238 DOI: 10.1021/acschemneuro.4c00024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024] Open
Abstract
Multiple sclerosis (MS) is a debilitating autoimmune disease that impacts millions of patients worldwide, disproportionately impacting women (4:1), and often presenting at highly productive stages of life. This disease affects the spinal cord and brain and is characterized by severe neuroinflammation, demyelination, and subsequent neuronal damage, resulting in symptoms like loss of mobility. While untargeted and pan-immunosuppressive therapies have proven to be disease-modifying and manage (or prolong the time between) symptoms in many patients, a significant fraction are unable to achieve remission. Recent work has suggested that targeted neuroinflammation mitigation through selective inflammasome inhibition can offer relief to patients while preserving key components of immune function. Here, we show a screening of potential therapeutic targets using inflammasome-inhibiting Nanoligomers (NF-κB1, TNFR1, TNF-α, IL-6) that meet or far-exceed commercially available small-molecule counterparts like ruxolitinib, MCC950, and deucravacitinib. Using the human brain organoid model, top Nanoligomer combinations (NF-κB1 + TNFR1: NI111, and NF-κB1 + NLRP3: NI112) were shown to significantly reduce neuroinflammation without any observable negative impact on organoid function. Further testing of these top Nanoligomer combinations in an aggressive experimental autoimmune encephalomyelitis (EAE) mouse model for MS using intraperitoneal (IP) injections showed that NF-κB1 and NLRP3 targeting Nanoligomer combination NI112 rescues mice without observable loss of mobility or disability, minimal inflammation in brain and spinal cord histology, and minimal to no immune cell infiltration of the spinal cord and no demyelination, similar to or at par with mice that received no EAE injections (negative control). Mice receiving NI111 (NF-κB1 + TNFR1) also showed reduced neuroinflammation compared to saline (sham)-treated EAE mice and at par/similar to other inflammasome-inhibiting small molecule treatments, although it was significantly higher than NI112 leading to subsequent worsening clinical outcomes. Furthermore, treatment with an oral formulation of NI112 at lower doses showed a significant reduction in EAE severity, albeit with higher variance owing to administration and formulation/fill-and-finish variability. Overall, these results point to the potential of further development and testing of these inflammasome-targeting Nanoliogmers as an effective neuroinflammation treatment for multiple neurodegenerative diseases and potentially benefit several patients suffering from such debilitating autoimmune diseases like MS.
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Affiliation(s)
- Sadhana Sharma
- Sachi Bio, Colorado Technology Center, 685 S Arthur Avenue, Louisville, Colorado 80027, United States
| | - Sydney Risen
- Environmental & Radiological Health Sciences, and Brain Research Center, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Vincenzo S Gilberto
- Sachi Bio, Colorado Technology Center, 685 S Arthur Avenue, Louisville, Colorado 80027, United States
| | - Sean Boland
- Environmental & Radiological Health Sciences, and Brain Research Center, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Anushree Chatterjee
- Sachi Bio, Colorado Technology Center, 685 S Arthur Avenue, Louisville, Colorado 80027, United States
| | - Julie A Moreno
- Environmental & Radiological Health Sciences, and Brain Research Center, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Prashant Nagpal
- Sachi Bio, Colorado Technology Center, 685 S Arthur Avenue, Louisville, Colorado 80027, United States
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Greuel BK, Da Silva DE, Robert-Gostlin VN, Klegeris A. Natural Compounds Oridonin and Shikonin Exhibit Potentially Beneficial Regulatory Effects on Select Functions of Microglia. Brain Sci 2024; 14:328. [PMID: 38671980 PMCID: PMC11048017 DOI: 10.3390/brainsci14040328] [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: 03/06/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Accumulating evidence indicates that the adverse neuroimmune activation of microglia, brain immunocytes that support neurons, contributes to a range of neuroinflammatory disorders, including Alzheimer's disease. Correcting the abnormal functions of microglia is a potential therapeutic strategy for these diseases. Nucleotide-binding domain leucine-rich repeat and pyrin domain-containing receptor (NLRP) 3 inflammasomes are implicated in adverse microglial activation and their inhibitors, such as the natural compounds oridonin and shikonin, reduce microglial immune responses. We hypothesized that some of the beneficial effects of oridonin and shikonin on microglia are independent of their suppression of NLRP3 inflammasomes. Murine and human microglia-like cells were stimulated with bacterial lipopolysaccharide (LPS) only, which did not induce NLRP3 inflammasome activation or the resulting secretion of interleukin (IL)-1β, allowing for the identification of other anti-inflammatory effects. Under these experimental conditions, both oridonin and shikonin reduced nitric oxide (NO) secretion and the cytotoxicity of BV-2 murine microglia towards HT-22 murine neuronal cells, but upregulated BV-2 cell phagocytic activity. Only oridonin inhibited the secretion of tumor necrosis factor (TNF) by stimulated BV-2 microglia, while only shikonin suppressed the respiratory burst response of human HL-60 microglia-like cells. This observed discrepancy indicates that these natural compounds may have different molecular targets in microglia. Overall, our results suggest that oridonin and shikonin should be further investigated as pharmacological agents capable of correcting dysfunctional microglia, supporting their potential use in neuroinflammatory disorders.
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Affiliation(s)
| | | | | | - Andis Klegeris
- Laboratory of Cellular and Molecular Pharmacology, Department of Biology, University of British Columbia Okanagan Campus, Kelowna, BC V1V 1V7, Canada (V.N.R.-G.)
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7
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Zhang Q, Zhang X, Yang B, Li Y, Sun X, Li X, Sui P, Wang Y, Tian S, Wang C. Ligustilide-loaded liposome ameliorates mitochondrial impairments and improves cognitive function via the PKA/AKAP1 signaling pathway in a mouse model of Alzheimer's disease. CNS Neurosci Ther 2024; 30:e14460. [PMID: 37718506 PMCID: PMC10916432 DOI: 10.1111/cns.14460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/15/2023] [Accepted: 08/25/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND Oxidative stress is an early event in the development of Alzheimer's disease (AD) and maybe a pivotal point of interaction governing AD pathogenesis; oxidative stress contributes to metabolism imbalance, protein misfolding, neuroinflammation and apoptosis. Excess reactive oxygen species (ROS) are a major contributor to oxidative stress. As vital sources of ROS, mitochondria are also the primary targets of ROS attack. Seeking effective avenues to reduce oxidative stress has attracted increasing attention for AD intervention. METHODS We developed liposome-packaged Ligustilide (LIG) and investigated its effects on mitochondrial function and AD-like pathology in the APPswe/PS1dE9 (APP/PS1) mouse model of AD, and analyzed possible mechanisms. RESULTS We observed that LIG-loaded liposome (LIG-LPs) treatment reduced oxidative stress and β-amyloid (Aβ) deposition and mitigated cognitive impairment in APP/PS1 mice. LIG management alleviated the destruction of the inner structure in the hippocampal mitochondria and ameliorated the imbalance between mitochondrial fission and fusion in the APP/PS1 mouse brain. We showed that the decline in cAMP-dependent protein kinase A (PKA) and A-kinase anchor protein 1 for PKA (AKAP1) was associated with oxidative stress and AD-like pathology. We confirmed that LIG-mediated antioxidant properties and neuroprotection were involved in upregulating the PKA/AKAP1 signaling in APPswe cells in vitro. CONCLUSION Liposome packaging for LIG is relatively biosafe and can overcome the instability of LIG. LIG alleviates mitochondrial dysfunctions and cognitive impairment via the PKA/AKAP1 signaling pathway. Our results provide experimental evidence that LIG-LPs may be a promising agent for AD therapy.
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Affiliation(s)
- Qi Zhang
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Xiangxiang Zhang
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Bing Yang
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Yan Li
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Xue‐Heng Sun
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Xiang Li
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Ping Sui
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Yi‐Bin Wang
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Shu‐Yu Tian
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
| | - Chun‐Yan Wang
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning ProvinceHealth Sciences Institute of China Medical UniversityShenyangChina
- Key Laboratory of Medical Cell Biology of Ministry of EducationHealth Sciences Institute of China Medical UniversityShenyangChina
- Translational Medicine Laboratory, Basic College of MedicineJilin Medical UniversityJilinChina
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8
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Pan J, Zhang L, Huang Z, Zhao D, Li H, Fu Y, Wang M, Chen B, Iraqi FA, Morahan G, Qin C. Strategies for generating mouse model resources of human disease. Protein Cell 2023; 14:866-870. [PMID: 36916412 PMCID: PMC10691848 DOI: 10.1093/procel/pwad011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/12/2023] [Indexed: 03/15/2023] Open
Affiliation(s)
- Jirong Pan
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Ling Zhang
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Zhibing Huang
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Dalu Zhao
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - He Li
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Yanan Fu
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Meng Wang
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Borui Chen
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
| | - Fuad A Iraqi
- Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv, Tel Aviv 69978, Israel
| | - Grant Morahan
- Harry Perkins Institute of Medical Research, QEII Medical Centre and Centre for Medical Research, University of Western Australia, Nedlands, Perth, WA 6009, Australia
| | - Chuan Qin
- National Human Diseases Animal Model Resource Center, NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, CAMS & PUMC, National Center of Technology Innovation for Animal Model, Changping National Laboratory (CPNL), Beijing 102206, China
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9
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Osakabe N, Modafferi S, Ontario ML, Rampulla F, Zimbone V, Migliore MR, Fritsch T, Abdelhameed AS, Maiolino L, Lupo G, Anfuso CD, Genovese E, Monzani D, Wenzel U, Calabrese EJ, Vabulas RM, Calabrese V. Polyphenols in Inner Ear Neurobiology, Health and Disease: From Bench to Clinics. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2045. [PMID: 38004094 PMCID: PMC10673256 DOI: 10.3390/medicina59112045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/25/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023]
Abstract
There is substantial experimental and clinical interest in providing effective ways to both prevent and slow the onset of hearing loss. Auditory hair cells, which occur along the basilar membrane of the cochlea, often lose functionality due to age-related biological alterations, as well as from exposure to high decibel sounds affecting a diminished/damaged auditory sensitivity. Hearing loss is also seen to take place due to neuronal degeneration before or following hair cell destruction/loss. A strategy is necessary to protect hair cells and XIII cranial/auditory nerve cells prior to injury and throughout aging. Within this context, it was proposed that cochlea neural stem cells may be protected from such aging and environmental/noise insults via the ingestion of protective dietary supplements. Of particular importance is that these studies typically display a hormetic-like biphasic dose-response pattern that prevents the occurrence of auditory cell damage induced by various model chemical toxins, such as cisplatin. Likewise, the hormetic dose-response also enhances the occurrence of cochlear neural cell viability, proliferation, and differentiation. These findings are particularly important since they confirmed a strong dose dependency of the significant beneficial effects (which is biphasic), whilst having a low-dose beneficial response, whereas extensive exposures may become ineffective and/or potentially harmful. According to hormesis, phytochemicals including polyphenols exhibit biphasic dose-response effects activating low-dose antioxidant signaling pathways, resulting in the upregulation of vitagenes, a group of genes involved in preserving cellular homeostasis during stressful conditions. Modulation of the vitagene network through polyphenols increases cellular resilience mechanisms, thus impacting neurological disorder pathophysiology. Here, we aimed to explore polyphenols targeting the NF-E2-related factor 2 (Nrf2) pathway to neuroprotective and therapeutic strategies that can potentially reduce oxidative stress and inflammation, thus preventing auditory hair cell and XIII cranial/auditory nerve cell degeneration. Furthermore, we explored techniques to enhance their bioavailability and efficacy.
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Affiliation(s)
- Naomi Osakabe
- Department of Bioscience and Engineering, Shibaura Institute Technology, Saitama 337-8570, Japan;
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Francesco Rampulla
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Vincenzo Zimbone
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Maria Rita Migliore
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | | | - Ali S. Abdelhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Luigi Maiolino
- Department of Medical, Surgical Advanced Technologies “G. F. Ingrassia”, University of Catania, 95125 Catania, Italy;
| | - Gabriella Lupo
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Carmelina Daniela Anfuso
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Elisabetta Genovese
- Department of Maternal and Child and Adult Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Daniele Monzani
- Department of Surgery, Dentistry, Paediatrics and Gynaecology, University of Verona, 37100 Verona, Italy;
| | - Uwe Wenzel
- Institut für Ernährungswissenschaft, Justus Liebig Universitat Giessen, 35392 Giessen, Germany
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA;
| | - R. Martin Vabulas
- Charité-Universitätsmedizin Berlin, Institute of Biochemistry, Charitéplatz 1, 10117 Berlin, Germany;
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
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Kou J, Kang H, Hu L, Wang D, Wang S, Wang Q, Yang Z. Evaluation of improvement of cognitive impairment in older adults with probiotic supplementation: A systematic review and meta-analysis. Geriatr Nurs 2023; 54:155-162. [PMID: 37788563 DOI: 10.1016/j.gerinurse.2023.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 10/05/2023]
Abstract
OBJECTIVE This study aimed to evaluate the improvement of cognitive impairment in older adults through probiotic supplementation. METHODS A literature review on probiotic supplementation for treating cognitive impairment in older adults was conducted using English and Chinese databases from 1984 to 2023. Two researchers extracted relevant data independently, and a meta-analysis was performed with RevMan software. RESULTS A comprehensive analysis of ten pertinent papers was conducted, involving a sample of 702 old adults with cognitive impairment. The findings from this study revealed that probiotic supplementation exhibited a positive impact on cognitive symptoms, specifically memory (MD = 0.14, 95% CI :0.05~0.22, P = 0.001) and overall cognitive function (SMD = 0.73, 95% CI: 0.25~1.21, P=0.003), as well as oxidative stress levels, including total antioxidant capacity (MD=52.54, 95% CI:39.52~65.56, P < 0.01), malondialdehyde (MD=-0.11, 95% CI:-0.15~-0.07, P < 0.01), and glutathione (MD=17.08, 95% CI:8.65~25.5, P < 0.01). However, probiotic supplementation failed to enhance patients' psychological symptoms (SMD =0.18, 95% CI:-0.56~0.92, P = 0.64). CONCLUSIONS Probiotic supplementation can enhance cognitive symptoms and decrease oxidative stress in older adults with cognitive impairment. However, it does not improve psychological symptoms. More research is needed to determine the effects of probiotic supplementation on gastrointestinal symptoms and sleep quality in this population. Further supplementation and improvement will be necessary once high-quality literature becomes available.
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Affiliation(s)
- Jiaojiao Kou
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
| | - Hua Kang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China.
| | - Lizi Hu
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
| | - Dan Wang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
| | - Shuyao Wang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
| | - Qingyuan Wang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
| | - Zijiang Yang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Road, Wenjiang District 611137, Chengdu, Sichuan 610041, China
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Jia Z, Guo M, Ge X, Chen F, Lei P. IL-33/ST2 Axis: A Potential Therapeutic Target in Neurodegenerative Diseases. Biomolecules 2023; 13:1494. [PMID: 37892176 PMCID: PMC10605306 DOI: 10.3390/biom13101494] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023] Open
Abstract
Interleukin 33 (IL-33) belongs to the IL-1 family and is localized in the nucleus. IL-33 is primarily composed of three distinct domains, namely the N-terminal domain responsible for nuclear localization, the intermediate sense protease domain, and the C-terminal cytokine domain. Its specific receptor is the suppression of tumorigenicity 2 (ST2), which is detected in serum-stimulated fibroblasts and oncogenes. While most other cytokines are actively produced in cells, IL-33 is passively produced in response to tissue damage or cell necrosis, thereby suggesting its role as an alarm following cell infection, stress, or trauma. IL-33 plays a crucial role in congenital and acquired immunity, which assists in the response to environmental stress and maintains tissue homeostasis. IL-33/ST2 interaction further produces many pro-inflammatory cytokines. Moreover, IL-33 is crucial for central nervous system (CNS) homeostasis and the pathogenic mechanisms underlying CNS degenerative disorders. The present work summarizes the structure of IL-33, its fundamental activities, and its role in immunoregulation and neurodegenerative diseases. Therefore, this work proposes that IL-33 may play a role in the pathogenic mechanism of diseases and can be used in the development of treatment strategies.
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Affiliation(s)
- Zexi Jia
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300052, China; (Z.J.); (X.G.)
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Mengtian Guo
- Department of Internal Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100054, China;
| | - Xintong Ge
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300052, China; (Z.J.); (X.G.)
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Fanglian Chen
- Tianjin Neurological Institute, Tianjin 300052, China
| | - Ping Lei
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300052, China; (Z.J.); (X.G.)
- Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
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Chang H, Yang F, Bai H, Lu Z, Xing C, Dai X, Wan W, Liao S, Cao H. Molybdenum and/or cadmium induce NLRP3 inflammasome production by causing mitochondria-associated endoplasmic reticulum membrane dysfunction in sheep hepatocytes. Chem Biol Interact 2023; 382:110617. [PMID: 37385403 DOI: 10.1016/j.cbi.2023.110617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/21/2023] [Accepted: 06/27/2023] [Indexed: 07/01/2023]
Abstract
Accumulation of the heavy metals molybdenum (Mo) and cadmium (Cd) in the liver can induce organelle damage and inflammation, resulting in hepatotoxicity. The effect of Mo and/or Cd on sheep hepatocytes was investigated by determining the relationship between the mitochondria-associated endoplasmic reticulum membrane (MAM) and NLRP3 inflammasome. Sheep hepatocytes were divided into four groups: the control group, Mo group (600 μM Mo), Cd group (4 μM Cd) and Mo + Cd group (600 μM Mo+4 μM Cd). The results showed that Mo and/or Cd exposure increased the levels of lactate dehydrogenase (LDH) and nitric oxide (NO) in the cell culture supernatant, elevated the levels of intracellular Ca2+ and mitochondrial Ca2+, downregulated the expression of MAM-related factors (IP3R, GRP75, VDAC1, PERK, ERO1-α, Mfn1, Mfn2, ERP44), shortened the length of the MAM and reduced the formation of the MAM structure, eventually causing MAM dysfunction. Moreover, the expression levels of NLRP3 inflammasome-related factors (NLRP3, Caspase1, IL-1β, IL-6, TNF-α) were also dramatically increased after Mo and Cd exposure, triggering NLRP3 inflammasome production. However, an IP3R inhibitor, 2-APB treatment significantly alleviated these changes. Overall, the data indicate that Mo and Cd coexposure leads to structural disruption and dysfunction of MAM, disrupts cellular Ca2+ homeostasis, and increases NLRP3 inflammasome production in sheep hepatocytes. However, the inhibition of IP3R alleviates NLRP3 inflammasome production induced by Mo and Cd.
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Affiliation(s)
- Huifeng Chang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Fan Yang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - He Bai
- Medical Research Center, Mudanjiang Medical University, No. 3 Tongxiang street, Aimin District, Mudanjiang, 157011, Heilongjiang, PR China
| | - Zengting Lu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Chenghong Xing
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Xueyan Dai
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Wengen Wan
- Jiangxi Agricultural Technology Extension Center, Nanchang, 330096, Jiangxi, PR China
| | - Shuxian Liao
- Fengxin County Modern Agricultural Technology Service Center, Fengxin, PR China
| | - Huabin Cao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China.
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Chen Y, Li X, Xiong Q, Du Y, Luo M, Yi L, Pang Y, Shi X, Wang YT, Dong Z. Inhibiting NLRP3 inflammasome signaling pathway promotes neurological recovery following hypoxic-ischemic brain damage by increasing p97-mediated surface GluA1-containing AMPA receptors. J Transl Med 2023; 21:567. [PMID: 37620837 PMCID: PMC10463885 DOI: 10.1186/s12967-023-04452-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 08/19/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The nucleotide-binding oligomeric domain (NOD)-like receptor protein 3 (NLRP3) inflammasome is believed to be a key mediator of neuroinflammation and subsequent secondary brain injury induced by ischemic stroke. However, the role and underlying mechanism of the NLRP3 inflammasome in neonates with hypoxic-ischemic encephalopathy (HIE) are still unclear. METHODS The protein expressions of the NLRP3 inflammasome including NLRP3, cysteinyl aspartate specific proteinase-1 (caspase-1) and interleukin-1β (IL-1β), the α-amino-3-hydroxy-5-methyl-4-isoxazole-propionicacid receptor (AMPAR) subunit, and the ATPase valosin-containing protein (VCP/p97), were determined by Western blotting. The interaction between p97 and AMPA glutamate receptor 1 (GluA1) was determined by co-immunoprecipitation. The histopathological level of hypoxic-ischemic brain damage (HIBD) was determined by triphenyltetrazolium chloride (TTC) staining. Polymerase chain reaction (PCR) and Western blotting were used to confirm the genotype of the knockout mice. Motor functions, including myodynamia and coordination, were evaluated by using grasping and rotarod tests. Hippocampus-dependent spatial cognitive function was measured by using the Morris-water maze (MWM). RESULTS We reported that the NLRP3 inflammasome signaling pathway, such as NLRP3, caspase-1 and IL-1β, was activated in rats with HIBD and oxygen-glucose deprivation (OGD)-treated cultured primary neurons. Further studies showed that the protein level of the AMPAR GluA1 subunit on the hippocampal postsynaptic membrane was significantly decreased in rats with HIBD, and it could be restored to control levels after treatment with the specific caspase-1 inhibitor AC-YVAD-CMK. Similarly, in vitro studies showed that OGD reduced GluA1 protein levels on the plasma membrane in cultured primary neurons, whereas AC-YVAD-CMK treatment restored this reduction. Importantly, we showed that OGD treatment obviously enhanced the interaction between p97 and GluA1, while AC-YVAD-CMK treatment promoted the dissociation of p97 from the GluA1 complex and consequently facilitated the localization of GluA1 on the plasma membrane of cultured primary neurons. Finally, we reported that the deficits in motor function, learning and memory in animals with HIBD, were ameliorated by pharmacological intervention or genetic ablation of caspase-1. CONCLUSION Inhibiting the NLRP3 inflammasome signaling pathway promotes neurological recovery in animals with HIBD by increasing p97-mediated surface GluA1 expression, thereby providing new insight into HIE therapy.
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Affiliation(s)
- Yuxin Chen
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiaohuan Li
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Qian Xiong
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Yehong Du
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Man Luo
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Lilin Yi
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Yayan Pang
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiuyu Shi
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Yu Tian Wang
- Department of Medicine, Brain Research Centre, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, V6T 2B5, Canada
| | - Zhifang Dong
- Growth, Development, and Mental Health of Children and Adolescence Center, Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
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Ni H, Ren J, Wang Q, Li X, Wu Y, Liu D, Wang J. Electroacupuncture at ST 36 ameliorates cognitive impairment and beta-amyloid pathology by inhibiting NLRP3 inflammasome activation in an Alzheimer's disease animal model. Heliyon 2023; 9:e16755. [PMID: 37292305 PMCID: PMC10245255 DOI: 10.1016/j.heliyon.2023.e16755] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 04/09/2023] [Accepted: 05/25/2023] [Indexed: 06/10/2023] Open
Abstract
Background Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder leading to cognitive impairment in the elderly, and no effective treatment exists. Increasing evidence has demonstrated that physical therapy and electroacupuncture (EA) effectively improve spatial learning and memory abilities. Nevertheless, the mechanism underlying the effects of EA on AD pathology is largely unexplored. Acupuncture at Zusanli (ST 36) has previously been shown to improve cognitive impairment in AD, but the mechanism is unclear. According to recent studies, EA drives the vagal-adrenal axis from the hindlimb ST 36 acupoint but not from the abdominal Tianshu (ST 25) to curb severe inflammation in mice. This study examined whether ST 36 acupuncture improves cognitive dysfunction in AD model mice by improving neuroinflammation and its underlying mechanism. Methods Male 5xFAD mice (aged 3, 6, and 9 months) were used as the AD animal model and were randomly divided into three groups: the AD model group (AD group), the electroacupuncture at ST 36 acupoint group (EA-ST 36 group), and the electroacupuncture at ST 25 acupoint group (EA-ST 25 group). Age-matched wild-type mice were used as the normal control (WT) group. EA (10 Hz, 0.5 mA) was applied to the acupoints on both sides for 15 min, 5 times per week for 4 weeks. Motor ability and cognitive ability were assessed by the open field test, the novel object recognition task, and the Morris water maze test. Thioflavin S staining and immunofluorescence were used to mark Aβ plaques and microglia. The levels of NLRP3, caspase-1, ASC, interleukin (IL)-1β, and IL-18 in the hippocampus were assayed by Western blotting or qRT-PCR. Results EA at ST 36, but not ST 25, significantly improved motor function and cognitive ability and reduced both Aβ deposition and microglia and NLRP3 inflammasome activation in 5×FAD mice. Conclusion EA stimulation at ST 36 effectively improved memory impairment in 5×FAD mice by a mechanism that regulated microglia activation and alleviated neuroinflammation by inhibiting the NLRP3 inflammatory response in the hippocampus. This study shows that ST 36 may be a specific acupoint to improve the condition of AD patients.
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Affiliation(s)
- Hong Ni
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
| | - Jiaoqi Ren
- Department of Geriatrics, Huashan Hospital, National Clinical Research Center for Aging and Medicine, Fudan University, 200040, Shanghai, China
| | - Qimeng Wang
- Department of Acupuncture, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Xing Li
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
| | - Yue Wu
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
| | - Dezhi Liu
- Department of Neurology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
| | - Jie Wang
- Endocrinology department of Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200071, China
- Department of Peripheral Vascular Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China
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Antioxidants: an approach for restricting oxidative stress induced neurodegeneration in Alzheimer's disease. Inflammopharmacology 2023; 31:717-730. [PMID: 36933175 DOI: 10.1007/s10787-023-01173-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 02/20/2023] [Indexed: 03/19/2023]
Abstract
Alzheimer's disease (AD) is the leading cause of dementia, affecting millions of people worldwide. Oxidative stress contributes towards induction of neurodegeneration. It is one of the reasons behind initiation and progression of Alzheimer's disease. Understanding of oxidative balance and restoration of oxidative stress has demonstrated its effectiveness in the management of AD. Various natural and synthetic molecules have been found to be effective in different models of AD. Some clinical studies also support the use of antioxidants for prevention of neurodegeneration in AD. In this review we are summarizing the development of antioxidants to restrict oxidative stress induced neurodegeneration in AD.
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Xia P, Ma H, Chen J, Liu Y, Cui X, Wang C, Zong S, Wang L, Liu Y, Lu Z. Differential expression of pyroptosis-related genes in the hippocampus of patients with Alzheimer's disease. BMC Med Genomics 2023; 16:56. [PMID: 36918839 PMCID: PMC10012531 DOI: 10.1186/s12920-023-01479-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 03/06/2023] [Indexed: 03/15/2023] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a progressive, neurodegenerative disorder with insidious onset. Some scholars believe that there is a close relationship between pyroptosis and AD. However, studies with evidence supporting this relationship are lacking. MATERIALS AND METHODS The microarray data of AD were retrieved from the Gene Expression Omnibus (GEO) database with the datasets merged using the R package inSilicoMerging. R software package Limma was used to perform the differential expression analysis to identify the differentially expressed genes (DEGs). We further performed the enrichment analyses of the DEGs based on Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) databases to identify the metabolic pathways with a significant difference. The Gene Set Enrichment Analysis (GSEA) was applied to identify the significant pathways. The protein-protein interaction (PPI) network was constructed based on the STRING database with the hub genes identified. Quantitative real-time PCR (qRT-PCR) analyses based on HT22 cells were performed to validate the findings based on the microarray analysis. Gene expression correlation heatmaps were generated to evaluate the relationships among the genes. RESULTS A new dataset was derived by merging 4 microarray datasets in the hippocampus of AD patients in the GEO database. Differential gene expression analysis yielded a volcano plot of a total of 20 DEGs (14 up-regulated and 6 down-regulated). GO analysis revealed a group of GO terms with a significant difference, e.g., cytoplasmic vesicle membrane, vesicle membrane, and monocyte chemotaxis. KEGG analysis detected the metabolic pathways with a significant difference, e.g., Rheumatoid arthritis and Fluid shear stress and atherosclerosis. The results of the Gene Set Enrichment Analysis of the microarray data showed that gene set ALZHEIMER_DISEASE and the gene set PYROPTOSIS were both up-regulated. PPI network showed that pyroptosis-related genes were divided into two groups. In the Aβ-induced HT22 cell model, three genes (i.e., BAX, IL18, and CYCS) were revealed with significant differences. Gene expression correlation heatmaps revealed strong correlations between pyroptotic genes and AD-related genes. CONCLUSION The pyroptosis-related genes BAX, IL18, and CYCS were significantly different between AD patients and normal controls.
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Affiliation(s)
- Pengcheng Xia
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Huijun Ma
- Clinical Laboratory, Qingdao Women and Children's Hospital, Qingdao, Shandong, China
| | - Jing Chen
- Discipline of Anatomy and Pathology, Shandong First Medical University, Jinan, Shandong, China
| | - Yingchao Liu
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Xiaolin Cui
- School of Medicine, Shandong University, Jinan, Shandong, China
| | - Cuicui Wang
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Shuai Zong
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Le Wang
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Yun Liu
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China.
| | - Zhiming Lu
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China.
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The Potential of Flavonoids and Flavonoid Metabolites in the Treatment of Neurodegenerative Pathology in Disorders of Cognitive Decline. Antioxidants (Basel) 2023; 12:antiox12030663. [PMID: 36978911 PMCID: PMC10045397 DOI: 10.3390/antiox12030663] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/23/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Flavonoids are a biodiverse family of dietary compounds that have antioxidant, anti-inflammatory, antiviral, and antibacterial cell protective profiles. They have received considerable attention as potential therapeutic agents in biomedicine and have been widely used in traditional complimentary medicine for generations. Such complimentary medical herbal formulations are extremely complex mixtures of many pharmacologically active compounds that provide a therapeutic outcome through a network pharmacological effects of considerable complexity. Methods are emerging to determine the active components used in complimentary medicine and their therapeutic targets and to decipher the complexities of how network pharmacology provides such therapeutic effects. The gut microbiome has important roles to play in the generation of bioactive flavonoid metabolites retaining or exceeding the antioxidative and anti-inflammatory properties of the intact flavonoid and, in some cases, new antitumor and antineurodegenerative bioactivities. Certain food items have been identified with high prebiotic profiles suggesting that neutraceutical supplementation may be beneficially employed to preserve a healthy population of bacterial symbiont species and minimize the establishment of harmful pathogenic organisms. Gut health is an important consideration effecting the overall health and wellbeing of linked organ systems. Bioconversion of dietary flavonoid components in the gut generates therapeutic metabolites that can also be transported by the vagus nerve and systemic circulation to brain cell populations to exert a beneficial effect. This is particularly important in a number of neurological disorders (autism, bipolar disorder, AD, PD) characterized by effects on moods, resulting in depression and anxiety, impaired motor function, and long-term cognitive decline. Native flavonoids have many beneficial properties in the alleviation of inflammation in tissues, however, concerns have been raised that therapeutic levels of flavonoids may not be achieved, thus allowing them to display optimal therapeutic effects. Dietary manipulation and vagal stimulation have both yielded beneficial responses in the treatment of autism spectrum disorders, depression, and anxiety, establishing the vagal nerve as a route of communication in the gut-brain axis with established roles in disease intervention. While a number of native flavonoids are beneficial in the treatment of neurological disorders and are known to penetrate the blood–brain barrier, microbiome-generated flavonoid metabolites (e.g., protocatechuic acid, urolithins, γ-valerolactones), which retain the antioxidant and anti-inflammatory potency of the native flavonoid in addition to bioactive properties that promote mitochondrial health and cerebrovascular microcapillary function, should also be considered as potential biotherapeutic agents. Studies are warranted to experimentally examine the efficacy of flavonoid metabolites directly, as they emerge as novel therapeutic options.
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Nurcahyanti ADR, Satriawan N, Sharopov F. Free radical scavenging synergism of fucoxanthin with lipophilic plant products. Nat Prod Res 2023; 37:782-787. [PMID: 36796788 DOI: 10.1080/14786419.2022.2084737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Fucoxanthin demonstrates potential bioactivity, gaining greater interest with many prospective applications. The fundamental activity of fucoxanthin is antioxidant. However, some findings also report the pro-oxidant potential of carotenoids in particular concentrations and environments. In many applications, fucoxanthin requires additional materials to improve bioavailability and stability, such as lipophilic plant products (LPP). Despite much-growing evidence, little is known how fucoxanthin interacts with LPP, which is susceptible to an oxidative reaction. We hypothesised that lower concentration of fucoxanthin exerts a synergistic effect in combination with LPP. The low molecular weight of LPP may exhibit greater activity than long-chain LPP, and so it does with the concentration of unsaturated moieties. We performed free radical-scavenging assay of fucoxanthin combined with some essential oils and edible oils. Chou-Talalay theorem was employed to depict the combination effect. The current study demonstrates a staple finding and constitutes theoretical viewpoints before further fucoxanthin's utilization with LPP.
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Affiliation(s)
- Agustina Dwi Retno Nurcahyanti
- Department of Pharmacy, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Natasha Satriawan
- Department of Pharmacy, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Farukh Sharopov
- Research Institution "Chinese-Tajik Innovation Center for Natural Products", National Academy of Sciences of Tajikistan, Dushanbe, Tajikistan
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Ajala A, Uzairu A, Shallangwa GA, Abechi SE, Ramu R, Al-Ghorbani M. Natural product inhibitors as potential drug candidates against Alzheimer's disease: Structural-based drug design, molecular docking, molecular dynamic simulation experiments, and ADMET predictions. J INDIAN CHEM SOC 2023. [DOI: 10.1016/j.jics.2023.100977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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20
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Effects of Scrophularia buergeriana Extract (Brainon ®) on Aging-Induced Memory Impairment in SAMP8 Mice. Curr Issues Mol Biol 2023; 45:1287-1305. [PMID: 36826029 PMCID: PMC9955813 DOI: 10.3390/cimb45020084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Alzheimer's disease (AD) is a worldwide problem. Currently, there are no effective drugs for AD treatment. Scrophularia buergeriana Miquel (SB) is a traditional herbal medicine used in Korea to treat various diseases. Our previous studies have shown that ethanol extract of SB roots (SBE, Brainon®) exhibits potent anti-amnesic effects in Aβ1-42- or scopolamine-treated memory impairment mice model and neuroprotective effects in a glutamate-induced SH-SY5Y cell model. In this study, we evaluated the therapeutic effects of Brainon® and its mechanism of action in senescence-accelerated mouse prone 8 (SAMP8) mice. Brainon® (30 or 100 mg/kg/day) was orally treated to six-month-old SAMP8 mice for 12 weeks. Results revealed that Brainon® administration effectually ameliorated cognitive deficits in Y-maze and passive avoidance tests. Following the completion of behavioral testing, western blotting was performed using the cerebral cortex. Results revealed that Brainon® suppressed Aβ1-42 accumulation, Tau hyperphosphorylation, oxidative stress, and inflammation and alleviated apoptosis in SAMP8 mice. Brainon® also promoted synaptic function by downregulating the expression of AChE and upregulating the expression of p-CREB/CREB and BDNF. Furthermore, Brainon® restored SAMP8-reduced expression of ChAT and -dephosphorylated of ERK and also decreased AChE expression in the hippocampus. Furthermore, Brainon® alleviated AD progression by promoting mitophagy/autophagy to maintain normal cellular function as a novel finding of this study. Our data suggest that Brainon® can remarkably improve cognitive deficiency with the potential to be utilized in functional food for improving brain health.
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21
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Currò M, Saija C, Trainito A, Trovato-Salinaro A, Bertuccio MP, Visalli G, Caccamo D, Ientile R. Rotenone-induced oxidative stress in THP-1 cells: biphasic effects of baicalin. Mol Biol Rep 2023; 50:1241-1252. [PMID: 36446982 DOI: 10.1007/s11033-022-08060-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 10/26/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Several results demonstrated that microglia and peripheral monocytes/macrophages infiltrating the central nervous system (CNS) are involved in cell response against toxic compounds. It has been shown that rotenone induces neurodegeneration in various in vitro experimental models. Baicalin, a natural compound, is able to attenuate cell damage through anti-oxidant, anti-microbial, anti-inflammatory, and immunomodulatory action. Using THP-1 monocytes, we investigated rotenone effects on mitochondrial dysfunction and apoptosis, as well as baicalin ability to counteract rotenone toxicity. METHODS AND RESULTS THP-1 cells were exposed to rotenone (250 nM), in the presence/absence of baicalin (10-500 μM) for 2-24 h. Reactive Oxygen Species production (ROS), mitochondrial activity and transmembrane potential (Δψm), DNA damage, and caspase-3 activity were assessed. Moreover, gene expression of mitochondrial transcription factor a (mtTFA), interleukin-1β (IL-1β), B-cell lymphoma 2 (Bcl2) and BCL2-associated X protein (Bax), together with apoptotic morphological changes, were evaluated. After 2 h of rotenone incubation, increased ROS production and altered Δψm were observed, hours later resulting in DNA oxidative damage and apoptosis. Baicalin treatment at 50 µM counteracted rotenone toxicity by modulating the expression levels of some proteins involved in mitochondrial biogenesis and apoptosis. Interestingly, at higher baicalin concentrations, rotenone-induced alterations persisted. CONCLUSIONS These results give evidence that exposure to rotenone may promote the activation of THP-1 monocytes contributing to enhanced neurodegeneration. In this context, baicalin at low concentration exerts beneficial effects on mitochondrial function, and thus may prevent the onset of neurotoxic processes.
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Affiliation(s)
- Monica Currò
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | - Caterina Saija
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | - Alessandra Trainito
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | | | - Maria Paola Bertuccio
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | - Giuseppa Visalli
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | - Daniela Caccamo
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy
| | - Riccardo Ientile
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Polyclinic Hospital University, 98125, Messina, Italy.
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Mitra S, Dash R, Sohel M, Chowdhury A, Munni YA, Ali C, Hannan MA, Islam T, Moon IS. Targeting Estrogen Signaling in the Radiation-induced Neurodegeneration: A Possible Role of Phytoestrogens. Curr Neuropharmacol 2023; 21:353-379. [PMID: 35272592 PMCID: PMC10190149 DOI: 10.2174/1570159x20666220310115004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/01/2022] [Accepted: 03/06/2022] [Indexed: 11/22/2022] Open
Abstract
Radiation for medical use is a well-established therapeutic method with an excellent prognosis rate for various cancer treatments. Unfortunately, a high dose of radiation therapy comes with its own share of side effects, causing radiation-induced non-specific cellular toxicity; consequently, a large percentage of treated patients suffer from chronic effects during the treatment and even after the post-treatment. Accumulating data evidenced that radiation exposure to the brain can alter the diverse cognitive-related signaling and cause progressive neurodegeneration in patients because of elevated oxidative stress, neuroinflammation, and loss of neurogenesis. Epidemiological studies suggested the beneficial effect of hormonal therapy using estrogen in slowing down the progression of various neuropathologies. Despite its primary function as a sex hormone, estrogen is also renowned for its neuroprotective activity and could manage radiation-induced side effects as it regulates many hallmarks of neurodegenerations. Thus, treatment with estrogen and estrogen-like molecules or modulators, including phytoestrogens, might be a potential approach capable of neuroprotection in radiation-induced brain degeneration. This review summarized the molecular mechanisms of radiation effects and estrogen signaling in the manifestation of neurodegeneration and highlighted the current evidence on the phytoestrogen mediated protective effect against radiationinduced brain injury. This existing knowledge points towards a new area to expand to identify the possible alternative therapy that can be taken with radiation therapy as adjuvants to improve patients' quality of life with compromised cognitive function.
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Affiliation(s)
- Sarmistha Mitra
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Md. Sohel
- Department of Biochemistry and Molecular Biology, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh
| | - Apusi Chowdhury
- Department of Pharmaceutical Science, North-South University, Dhaka-12 29, Bangladesh
| | - Yeasmin Akter Munni
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Chayan Ali
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala SE-751 08, Sweden
| | - Md. Abdul Hannan
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh
| | - Il Soo Moon
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
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23
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Kundu S, Singh S. What Happens in TBI? A Wide Talk on Animal Models and Future Perspective. Curr Neuropharmacol 2023; 21:1139-1164. [PMID: 35794772 PMCID: PMC10286592 DOI: 10.2174/1570159x20666220706094248] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 05/05/2022] [Accepted: 05/11/2022] [Indexed: 11/22/2022] Open
Abstract
Traumatic brain injury (TBI) is a global healthcare concern and a leading cause of death. The most common causes of TBI include road accidents, sports injuries, violence in warzones, and falls. TBI induces neuronal cell death independent of age, gender, and genetic background. TBI survivor patients often experience long-term behavioral changes like cognitive and emotional changes. TBI affects social activity, reducing the quality and duration of life. Over the last 40 years, several rodent models have been developed to mimic different clinical outcomes of human TBI for a better understanding of pathophysiology and to check the efficacy of drugs used for TBI. However, promising neuroprotective approaches that have been used preclinically have been found to be less beneficial in clinical trials. So, there is an urgent need to find a suitable animal model for establishing a new therapeutic intervention useful for TBI. In this review, we have demonstrated the etiology of TBI and post- TBI social life alteration, and also discussed various preclinical TBI models of rodents, zebrafish, and drosophila.
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Affiliation(s)
- Satyabrata Kundu
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India
| | - Shamsher Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India
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24
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Liu Y, Si ZZ, Zou CJ, Mei X, Li XF, Luo H, Shen Y, Hu J, Li XX, Wu L. Targeting neuroinflammation in Alzheimer’s disease: from mechanisms to clinical applications. Neural Regen Res 2023; 18:708-715. [DOI: 10.4103/1673-5374.353484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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25
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Asante I, Louie S, Yassine HN. Uncovering mechanisms of brain inflammation in Alzheimer's disease with APOE4: Application of single cell-type lipidomics. Ann N Y Acad Sci 2022; 1518:84-105. [PMID: 36200578 PMCID: PMC10092192 DOI: 10.1111/nyas.14907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A chronic state of unresolved inflammation in Alzheimer's disease (AD) is intrinsically involved with the remodeling of brain lipids. This review highlights the effect of carrying the apolipoprotein E ε4 allele (APOE4) on various brain cell types in promoting an unresolved inflammatory state. Among its pleotropic effects on brain lipids, we focus on APOE4's activation of Ca2+ -dependent phospholipase A2 (cPLA2) and its effects on arachidonic acid, eicosapentaenoic acid, and docosahexaenoic acid signaling cascades in the brain. During the process of neurodegeneration, various brain cell types, such as astrocytes, microglia, and neurons, together with the neurovascular unit, develop distinct inflammatory phenotypes that impact their functions and have characteristic lipidomic fingerprints. We propose that lipidomic phenotyping of single cell-types harvested from brains differing by age, sex, disease severity stage, and dietary and genetic backgrounds can be employed to probe mechanisms of neurodegeneration. A better understanding of the brain cellular inflammatory/lipidomic response promises to guide the development of nutritional and drug interventions for AD dementia.
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Affiliation(s)
- Isaac Asante
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Stan Louie
- School of Pharmacy, University of Southern California, Los Angeles, California, USA
| | - Hussein N Yassine
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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26
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Zhu X, Zhang Z, Yang X, Qi L, Guo Y, Tang X, Xie Y, Chen D. RETRACTED: Improvement of extraction from Hericium erinaceus on the gut-brain axis in AD-like mice. Brain Res 2022; 1793:148038. [PMID: 35934088 DOI: 10.1016/j.brainres.2022.148038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 06/21/2022] [Accepted: 07/30/2022] [Indexed: 12/20/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the lead author, Dr. Diling Chen. Dr. Chen alerted the Editor-in-Chief that data previously published in Aging (Albany NY). 2020 Jan 6; 12:260-287 https://doi.org/10.18632/aging.102614 were accidently reused in the above-referenced Brain Research article. Dr. Chen is a co-author on both articles. The reused content pertains to the fecal transplantation data of the model group, represented by Figure 2 in the Aging article and Figure 5 in the Brain Research article. Dr. Chen did not carefully check the data published by the team before the final submission, resulting in repeated use. The lead author states further that it was an honest mistake, and the team had no intention to plagiarize previously published material. All authors were notified and all are in agreement with the retraction. The authors apologize to the scientific community for any inconvenience or challenges resulting from the publication and retraction of this article.
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Affiliation(s)
- Xiangxiang Zhu
- Academy of Life Sciences, Jinan University, Guangdong Province, Guangzhou 510000, China; State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Zilei Zhang
- Academy of Life Sciences, Jinan University, Guangdong Province, Guangzhou 510000, China
| | - Xin Yang
- The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou 510700, China
| | - Longkai Qi
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Yinrui Guo
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Xiaocui Tang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangzhou Laboratory, No. 9 XingDaoHuanBei Road, Guangzhou International Bio Island, Guangzhou 510005, Guangdong Province, China
| | - Yizhen Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Diling Chen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangzhou Laboratory, No. 9 XingDaoHuanBei Road, Guangzhou International Bio Island, Guangzhou 510005, Guangdong Province, China.
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27
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Multi-Target Mechanisms of Phytochemicals in Alzheimer’s Disease: Effects on Oxidative Stress, Neuroinflammation and Protein Aggregation. J Pers Med 2022; 12:jpm12091515. [PMID: 36143299 PMCID: PMC9500804 DOI: 10.3390/jpm12091515] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 11/17/2022] Open
Abstract
Alzheimer’s disease (AD) is a neurodegenerative disease characterized by a tangle-shaped accumulation of beta-amyloid peptide fragments and Tau protein in brain neurons. The pathophysiological mechanism involves the presence of Aβ-amyloid peptide, Tau protein, oxidative stress, and an exacerbated neuro-inflammatory response. This review aims to offer an updated compendium of the most recent and promising advances in AD treatment through the administration of phytochemicals. The literature survey was carried out by electronic search in the following specialized databases PubMed/Medline, Embase, TRIP database, Google Scholar, Wiley, and Web of Science regarding published works that included molecular mechanisms and signaling pathways targeted by phytochemicals in various experimental models of Alzheimer’s disease in vitro and in vivo. The results of the studies showed that the use of phytochemicals against AD has gained relevance due to their antioxidant, anti-neuroinflammatory, anti-amyloid, and anti-hyperphosphorylation properties of Tau protein. Some bioactive compounds from plants have been shown to have the ability to prevent and stop the progression of Alzheimer’s.
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28
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Hossain MN, De Leo V, Tamborra R, Laselva O, Ingrosso C, Daniello V, Catucci L, Losito I, Sollitto F, Loizzi D, Conese M, Di Gioia S. Characterization of anti-proliferative and anti-oxidant effects of nano-sized vesicles from Brassica oleracea L. (Broccoli). Sci Rep 2022; 12:14362. [PMID: 35999223 PMCID: PMC9399156 DOI: 10.1038/s41598-022-17899-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022] Open
Abstract
In this in vitro study, we test our hypothesis that Broccoli-derived vesicles (BDVs), combining the anti-oxidant properties of their components and the advantages of their structure, can influence the metabolic activity of different cancer cell lines. BDVs were isolated from homogenized fresh broccoli (Brassica oleracea L.) using a sucrose gradient ultracentrifugation method and were characterized in terms of physical properties, such as particle size, morphology, and surface charge by transmission electron microscopy (TEM) and laser doppler electrophoresis (LDE). Glucosinolates content was assessed by RPLC–ESI–MS analysis. Three different human cancer cell lines (colorectal adenocarcinoma Caco-2, lung adenocarcinoma NCI-H441 and neuroblastoma SHSY5Y) were evaluated for metabolic activity by the MTT assay, uptake by fluorescence and confocal microscopy, and anti-oxidant activity by a fluorimetric assay detecting intracellular reactive oxygen species (ROS). Three bands were obtained with average size measured by TEM based size distribution analysis of 52 nm (Band 1), 70 nm (Band 2), and 82 nm (Band 3). Glucobrassicin, glucoraphanin and neoglucobrassicin were found mostly concentrated in Band 1. BDVs affected the metabolic activity of different cancer cell lines in a dose dependent manner compared with untreated cells. Overall, Band 2 and 3 were more toxic than Band 1 irrespective of the cell lines. BDVs were taken up by cells in a dose- and time-dependent manner. Pre-incubation of cells with BDVs resulted in a significant decrease in ROS production in Caco-2 and NCI-H441 stimulated with hydrogen peroxide and SHSY5Y treated with 6-hydroxydopamine, with all three Bands. Our findings open to the possibility to find a novel “green” approach for cancer treatment, focused on using vesicles from broccoli, although a more in-depth characterization of bioactive molecules is warranted.
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Affiliation(s)
- Md Niamat Hossain
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | | | - Rosanna Tamborra
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Onofrio Laselva
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Chiara Ingrosso
- National Research Council of Italy-Institute for Physical and Chemical Processes (CNR-IPCF S.S. Bari), c/o Department of Chemistry, University of Bari "A. Moro", Bari, Italy
| | - Valeria Daniello
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Lucia Catucci
- Department of Chemistry, University of Bari, Bari, Italy
| | - Ilario Losito
- Department of Chemistry, University of Bari, Bari, Italy
| | - Francesco Sollitto
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Domenico Loizzi
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
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29
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Bevere M, Di Cola G, Santangelo C, Grazioli E, Marramiero L, Pignatelli P, Bondi D, Mrakic-Sposta S. Redox-based disruption of cellular hormesis and promotion of degenerative pathways: perspectives on ageing processes. J Gerontol A Biol Sci Med Sci 2022; 77:2195-2206. [PMID: 35973816 DOI: 10.1093/gerona/glac167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Indexed: 11/13/2022] Open
Abstract
The present work aims to link the redox and cell-centric theories of chronic processes in human biology, focusing on ageing. A synthetic overview of cellular redox pathways will be integrated by the concept of hormesis, which disruption leads to several physiopathological processes. The onset of age-related diseases due to the restriction of homeodynamic capacity will be herein considered in a redox fashion. Up-to-date arguments on hormetic agents, such as geroprotectors, dietary interventions, and physical exercise are refining the presented theoretical framework, integrated by insights from extracellular vesicles, microbiota, pollutants, and timing mechanisms. The broad concepts of exposome encompass the redox-based alteration of cellular hormesis for providing meaningful perspectives on redox biogerontology.
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Affiliation(s)
- Michele Bevere
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy.,Laboratory of Functional Biotechnologies, Center for Advanced Studies and Technology (CAST), University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Giulia Di Cola
- Cancer Genetics Unit, European Institute of Oncology (IEO), Milano, Italy
| | - Carmen Santangelo
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Elisa Grazioli
- Department of Experimental and Clinical Medicine, "Magna Graecia" University, Catanzaro, Italy.,Department of Human, Movement Sciences and Health, University of Rome "Foro Italico", Roma, Italy
| | - Lorenzo Marramiero
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Pamela Pignatelli
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, Roma, Italy.,Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Danilo Bondi
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Simona Mrakic-Sposta
- Institute of Clinical Physiology National Research Council (ICF-CNR), Milano, Italy
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30
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Functional Medicine Approaches to Neurodegeneration. Phys Med Rehabil Clin N Am 2022; 33:733-743. [PMID: 35989061 DOI: 10.1016/j.pmr.2022.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Neurodegenerative diseases impact more than 6 million Americans, and current predictions estimate the rates of neurodegenerative diseases will double in the next 30 years. These diseases are progressive with increasing loss of brain function throughout their course. Overtime, those suffering from neurodegenerative diseases will lose their ability to work and function efficiently in society. Families and society are burdened with skyrocketing costs to provide care for those who are unable to perform activities of daily living. There is an urgent need to develop treatment strategies to both reduce the incidence of neurodegenerative diseases and to delay the progression of the disease.
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31
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Bajic VP, Salhi A, Lakota K, Radovanovic A, Razali R, Zivkovic L, Spremo-Potparevic B, Uludag M, Tifratene F, Motwalli O, Marchand B, Bajic VB, Gojobori T, Isenovic ER, Essack M. DES-Amyloidoses “Amyloidoses through the looking-glass”: A knowledgebase developed for exploring and linking information related to human amyloid-related diseases. PLoS One 2022; 17:e0271737. [PMID: 35877764 PMCID: PMC9312389 DOI: 10.1371/journal.pone.0271737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 07/06/2022] [Indexed: 11/23/2022] Open
Abstract
More than 30 types of amyloids are linked to close to 50 diseases in humans, the most prominent being Alzheimer’s disease (AD). AD is brain-related local amyloidosis, while another amyloidosis, such as AA amyloidosis, tends to be more systemic. Therefore, we need to know more about the biological entities’ influencing these amyloidosis processes. However, there is currently no support system developed specifically to handle this extraordinarily complex and demanding task. To acquire a systematic view of amyloidosis and how this may be relevant to the brain and other organs, we needed a means to explore "amyloid network systems" that may underly processes that leads to an amyloid-related disease. In this regard, we developed the DES-Amyloidoses knowledgebase (KB) to obtain fast and relevant information regarding the biological network related to amyloid proteins/peptides and amyloid-related diseases. This KB contains information obtained through text and data mining of available scientific literature and other public repositories. The information compiled into the DES-Amyloidoses system based on 19 topic-specific dictionaries resulted in 796,409 associations between terms from these dictionaries. Users can explore this information through various options, including enriched concepts, enriched pairs, and semantic similarity. We show the usefulness of the KB using an example focused on inflammasome-amyloid associations. To our knowledge, this is the only KB dedicated to human amyloid-related diseases derived primarily through literature text mining and complemented by data mining that provides a novel way of exploring information relevant to amyloidoses.
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Affiliation(s)
- Vladan P. Bajic
- Institute of Nuclear Sciences “VINCA", Laboratory for Radiobiology and Molecular Genetics, University of Belgrade, Belgrade, Republic of Serbia
- * E-mail: (ME); (VPB)
| | - Adil Salhi
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Katja Lakota
- Department of Physiology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Aleksandar Radovanovic
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Rozaimi Razali
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Lada Zivkovic
- Department of Physiology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | | | - Mahmut Uludag
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Faroug Tifratene
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Olaa Motwalli
- Saudi Electronic University (SEU), College of Computing and Informatics, Madinah, Kingdom of Saudi Arabia
| | | | - Vladimir B. Bajic
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Takashi Gojobori
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
- Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
| | - Esma R. Isenovic
- Institute of Nuclear Sciences “VINCA", Laboratory for Radiobiology and Molecular Genetics, University of Belgrade, Belgrade, Republic of Serbia
| | - Magbubah Essack
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia
- * E-mail: (ME); (VPB)
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Zhao F, Li B, Yang W, Ge T, Cui R. Brain-immune interaction mechanisms: Implications for cognitive dysfunction in psychiatric disorders. Cell Prolif 2022; 55:e13295. [PMID: 35860850 PMCID: PMC9528770 DOI: 10.1111/cpr.13295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 04/28/2022] [Accepted: 06/07/2022] [Indexed: 12/15/2022] Open
Abstract
Objectives Cognitive dysfunction has been identified as a major symptom of a series of psychiatric disorders. Multidisciplinary studies have shown that cognitive dysfunction is monitored by a two‐way interaction between the neural and immune systems. However, the specific mechanisms of cognitive dysfunction in immune response and brain immune remain unclear. Materials and methods In this review, we summarized the relevant research to uncover our comprehension of the brain–immune interaction mechanisms underlying cognitive decline. Results The pathophysiological mechanisms of brain‐immune interactions in psychiatric‐based cognitive dysfunction involve several specific immune molecules and their associated signaling pathways, impairments in neural and synaptic plasticity, and the potential neuro‐immunological mechanism of stress. Conclusions Therefore, this review may provide a better theoretical basis for integrative therapeutic considerations for psychiatric disorders associated with cognitive dysfunction.
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Affiliation(s)
- Fangyi Zhao
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Bingjin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Tongtong Ge
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
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Rani L, Ranjan Sahu M, Chandra Mondal A. Age-related Mitochondrial Dysfunction in Parkinson's Disease: New Insights Into the Disease Pathology. Neuroscience 2022; 499:152-169. [PMID: 35839924 DOI: 10.1016/j.neuroscience.2022.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/13/2022] [Accepted: 07/07/2022] [Indexed: 12/14/2022]
Abstract
Aging is a progressive loss of physiological function that increases risk of disease and death. Among the many factors that contribute to human aging, mitochondrial dysfunction has emerged as one of the most prominent features of the aging process. It has been linked to the development of various age-related pathologies, including Parkinson's disease (PD). Mitochondria has a complex quality control system that ensures mitochondrial integrity and function. Perturbations in these mitochondrial mechanisms have long been linked to various age-related neurological disorders. Even though research has shed light on several aspects of the disease pathology, the underlying mechanism of age-related factors responsible for individuals developing this disease is still unknown. This review article aims to discuss the role of mitochondria in the transition from normal brain aging to pathological brain aging, which leads to the progression of PD. We have discussed the emerging evidence on how age-related disruption of mitochondrial quality control mechanisms contributes to the development of PD-related pathophysiology.
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Affiliation(s)
- Linchi Rani
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Manas Ranjan Sahu
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Amal Chandra Mondal
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India.
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Ye HS, Gao HF, Li H, Nie JH, Li TT, Lu MD, Wu ML, Liu J, Wang K. Higher efficacy of resveratrol against advanced breast cancer organoids: A comparison with that of clinically relevant drugs. Phytother Res 2022; 36:3313-3324. [PMID: 35649509 DOI: 10.1002/ptr.7515] [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: 03/09/2022] [Revised: 04/13/2022] [Accepted: 05/10/2022] [Indexed: 12/24/2022]
Abstract
The lack of reliable drugs is a therapeutic challenge of advanced breast cancers (ABCs). Resveratrol (Res) exerts inhibitory effects on breast cancer cell lines and animal models, while its efficacy against individual breast cancer cases remains unknown. This study aims to use ABC-derived organoids (ABCOs) as the ex vivo therapeutic platform to clarify the effectiveness of resveratrol against different ABC subtypes. Immunohistochemical staining confirmed that the ABCOs maintained their original tumors' ER, PR, HER2, and Ki67 expression patterns. ABCO proliferation and viability tests showed >50% cell death rates in 79.2% (19/24) of Res-treated, 28.6% (2/7) fulvestrant-treated, 66.7% (4/6) paclitaxel-treated, and 66.7% (6/9) gemcitabine-treated ABCOs. pSTAT3 nuclear translocation was more frequent in Res-sensitive (17/19; 89.47%) than that (1/5; 20%) of Res-insensitive ABCOs, which were suppressed upon Res treatment. Statistical analysis revealed a close correlation of STAT3 activation with the efficacy of Res, but not related to tumor receptor expression patterns (ER, PR, HER2) and pathological classification. We demonstrate for the first time the higher efficacy and broader spectrum of Res against different subtypes of ABCOs in comparison with that of conventional antibreast cancer drugs, providing an alternative approach for better management of ABCs.
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Affiliation(s)
- Hai-Shan Ye
- School of Medicine, South China University of Technology, Guangzhou, China
| | - Hong-Fei Gao
- Breast Cancer Department, Cancer Center, Guangdong Provincial People's Hospital Affiliated to South China University of Technology School of Medicine, Guangzhou, China
| | - Hong Li
- BioMed Laboratory, Jingke Biotechnology Group, Guangzhou, China.,Liaoning Laboratory of Cancer Genetics and Epigenetics, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jun-Hua Nie
- School of Medicine, South China University of Technology, Guangzhou, China.,BioMed Laboratory, Jingke Biotechnology Group, Guangzhou, China
| | - Ting-Ting Li
- BioMed Laboratory, Jingke Biotechnology Group, Guangzhou, China
| | - Meng-Di Lu
- School of Medicine, South China University of Technology, Guangzhou, China.,BioMed Laboratory, Jingke Biotechnology Group, Guangzhou, China
| | - Mo-Li Wu
- Liaoning Laboratory of Cancer Genetics and Epigenetics, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jia Liu
- School of Medicine, South China University of Technology, Guangzhou, China.,Liaoning Laboratory of Cancer Genetics and Epigenetics, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Kun Wang
- Breast Cancer Department, Cancer Center, Guangdong Provincial People's Hospital Affiliated to South China University of Technology School of Medicine, Guangzhou, China
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Zeng X, Zhang YD, Ma RY, Chen YJ, Xiang XM, Hou DY, Li XH, Huang H, Li T, Duan CY. Activated Drp1 regulates p62-mediated autophagic flux and aggravates inflammation in cerebral ischemia-reperfusion via the ROS-RIP1/RIP3-exosome axis. Mil Med Res 2022; 9:25. [PMID: 35624495 PMCID: PMC9137164 DOI: 10.1186/s40779-022-00383-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 05/06/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Cerebral ischemia-reperfusion injury (CIRI) refers to a secondary brain injury that can occur when the blood supply to the ischemic brain tissue is restored. However, the mechanism underlying such injury remains elusive. METHODS The 150 male C57 mice underwent middle cerebral artery occlusion (MCAO) for 1 h and reperfusion for 24 h, Among them, 50 MCAO mice were further treated with Mitochondrial division inhibitor 1 (Mdivi-1) and 50 MCAO mice were further treated with N-acetylcysteine (NAC). SH-SY5Y cells were cultured in a low-glucose culture medium for 4 h under hypoxic conditions and then transferred to normal conditions for 12 h. Then, cerebral blood flow, mitochondrial structure, mitochondrial DNA (mtDNA) copy number, intracellular and mitochondrial reactive oxygen species (ROS), autophagic flux, aggresome and exosome expression profiles, cardiac tissue structure, mitochondrial length and cristae density, mtDNA and ROS content, as well as the expression of Drp1-Ser616/Drp1, RIP1/RIP3, LC3 II/LC3 I, TNF-α, IL-1β, etc., were detected under normal or Drp1 interference conditions. RESULTS The mtDNA content, ROS levels, and Drp1-Ser616/Drp1 were elevated by 2.2, 1.7 and 2.7 times after CIRI (P < 0.05). However, the high cytoplasmic LC3 II/I ratio and increased aggregation of p62 could be reversed by 44% and 88% by Drp1 short hairpin RNA (shRNA) (P < 0.05). The low fluorescence intensity of autophagic flux and the increased phosphorylation of RIP3 induced by CIRI could be attenuated by ROS scavenger, NAC (P < 0.05). RIP1/RIP3 inhibitor Necrostatin-1 (Nec-1) restored 75% to a low LC3 II/LC3 I ratio and enhanced 2 times to a high RFP-LC3 after Drp1 activation (P < 0.05). In addition, although CIRI-induced ROS production caused no considerable accumulation of autophagosomes (P > 0.05), it increased the packaging and extracellular secretion of exosomes containing p62 by 4 - 5 times, which could be decreased by Mdivi-1, Drp1 shRNA, and Nec-1 (P < 0.05). Furthermore, TNF-α and IL-1β increased in CIRI-derived exosomes could increase RIP3 phosphorylation in normal or oxygen-glucose deprivation/reoxygenation (OGD/R) conditions (P < 0.05). CONCLUSIONS CIRI activated Drp1 and accelerated the p62-mediated formation of autophagosomes while inhibiting the transition of autophagosomes to autolysosomes via the RIP1/RIP3 pathway activation. Undegraded autophagosomes were secreted extracellularly in the form of exosomes, leading to inflammatory cascades that further damaged mitochondria, resulting in excessive ROS generation and the blockage of autophagosome degradation, triggering a vicious cycle.
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Affiliation(s)
- Xue Zeng
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China.,Department of Neurology, the Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, China
| | - Yun-Dong Zhang
- Department of Neurology, the Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, China
| | - Rui-Yan Ma
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China
| | - Yuan-Jing Chen
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China
| | - Xin-Ming Xiang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Shock and Transfusion, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Dong-Yao Hou
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China
| | - Xue-Han Li
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China
| | - He Huang
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China.
| | - Tao Li
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Shock and Transfusion, Daping Hospital, Army Medical University, Chongqing, 400042, China.
| | - Chen-Yang Duan
- Department of Anaesthesiology, the Second Affiliated Hospital of Chongqing Medical University, 400010, Chongqing, China.
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Delport A, Hewer R. The amyloid precursor protein: a converging point in Alzheimer's disease. Mol Neurobiol 2022; 59:4501-4516. [PMID: 35579846 DOI: 10.1007/s12035-022-02863-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 04/30/2022] [Indexed: 11/30/2022]
Abstract
The decades of evidence that showcase the role of amyloid precursor protein (APP), and its fragment amyloidβ (Aβ), in Alzheimer's disease (AD) pathogenesis are irrefutable. However, the absolute focus on the single APP metabolite Aβ as the cause for AD has resulted in APP and its other fragments that possess toxic propensity, to be overlooked as targets for treatment. The complexity of its processing and its association with systematic metabolism suggests that, if misregulated, APP has the potential to provoke an array of metabolic dysfunctions. This review discusses APP and several of its cleaved products with a particular focus on their toxicity and ability to disrupt healthy cellular function, in relation to AD development. We subsequently argue that the reduction of APP, which would result in a concurrent decrease in Aβ as well as all other toxic APP metabolites, would alleviate the toxic environment associated with AD and slow disease progression. A discussion of those drug-like compounds already identified to possess this capacity is also included.
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Affiliation(s)
- Alexandré Delport
- Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, 3201, South Africa.
| | - Raymond Hewer
- Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, 3201, South Africa
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Liu YH, Jiang YH, Li CC, Chen XM, Huang LG, Zhang M, Ruan B, Wang XC. Involvement of the SIRT1/PGC-1α Signaling Pathway in Noise-Induced Hidden Hearing Loss. Front Physiol 2022; 13:798395. [PMID: 35620603 PMCID: PMC9127058 DOI: 10.3389/fphys.2022.798395] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 04/18/2022] [Indexed: 12/06/2022] Open
Abstract
Objective: To establish an animal model of noise-induced hidden hearing loss (NIHHL), evaluate the dynamic changes in cochlear ribbon synapses and cochlear hair cell morphology, and observe the involvement of the SIRT1/PGC-1α signaling pathway in NIHHL.Methods: Male guinea pigs were randomly divided into three groups: control group, noise exposure group, and resveratrol treatment group. Each group was divided into five subgroups: the control group and 1 day, 1 week, 2 weeks, and 1 month post noise exposure groups. The experimental groups received noise stimulation at 105 dB SPL for 2 h. Hearing levels were examined by auditory brainstem response (ABR). Ribbon synapses were evaluated by inner ear basilar membrane preparation and immunofluorescence. The cochlear morphology was observed using scanning electron microscopy. Western blotting analysis and immunofluorescence was performed to assess the change of SIRT1/PGC-1α signaling. Levels of superoxide dismutase (SOD), malondialdehyde (MDA), catalase (CAT), ATP and SIRT1 activity were measured using commercial testing kits.Results: In the noise exposure group, hearing threshold exhibited a temporary threshold shift (TTS), and amplitude of ABR wave I decreased irreversibly. Ribbon synapse density decreased after noise exposure, and the stereocilia were chaotic and then returned to normal. The expression and activity of SIRT1 and PGC-1α protein was lower than that in the control group. SOD, CAT and ATP were also influenced by noise exposure and were lower than those in the control group, but MDA showed no statistical differences compared with the control group. After resveratrol treatment, SIRT1 expression and activity showed a significant increase after noise exposure, compared with the noise exposure group. In parallel, the PGC-1α and antioxidant proteins were also significantly altered after noise exposure, compared with the noise exposure group. The damage to the ribbon synapses and the stereocilia were attenuated by resveratrol as well. More importantly, the auditory function, especially ABR wave I amplitudes, was also promoted in the resveratrol treatment group.Conclusion: The SIRT1/PGC-1α signaling pathway and oxidative stress are involved in the pathogenesis of NIHHL and could be potential therapeutical targets in the future.
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Affiliation(s)
- Yu-Hui Liu
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
| | - Yi-Hong Jiang
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
| | - Cong-Cong Li
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
| | - Xue-Min Chen
- Medical School of Chinese PLA, Beijing, China
- Senior Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
- National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing, China
- Beijing Key Lab of Hearing Impairment Prevention and Treatment, Beijing, China
| | - Li-Gui Huang
- The 908th Hospital of Joint Logistics Support Force of PLA, Nanchang, China
| | - Min Zhang
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
- *Correspondence: Xiao-Cheng Wang, ; Bai Ruan, ; Min Zhang,
| | - Bai Ruan
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
- *Correspondence: Xiao-Cheng Wang, ; Bai Ruan, ; Min Zhang,
| | - Xiao-Cheng Wang
- Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi’an, China
- Department of Avation Medicine, Xi-Jing Hospital, Air Force Military Medical University, Xi’an, China
- *Correspondence: Xiao-Cheng Wang, ; Bai Ruan, ; Min Zhang,
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Scuto M, Modafferi S, Rampulla F, Zimbone V, Tomasello M, Spano’ S, Ontario M, Palmeri A, Trovato Salinaro A, Siracusa R, Di Paola R, Cuzzocrea S, Calabrese E, Wenzel U, Calabrese V. Redox modulation of stress resilience by Crocus Sativus L. for potential neuroprotective and anti-neuroinflammatory applications in brain disorders: From molecular basis to therapy. Mech Ageing Dev 2022; 205:111686. [DOI: 10.1016/j.mad.2022.111686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/18/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022]
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Bell G, Singham T, Saunders R, John A, Stott J. Positive psychological constructs and association with reduced risk of mild cognitive impairment and dementia in older adults: A systematic review and meta-analysis. Ageing Res Rev 2022; 77:101594. [PMID: 35192960 DOI: 10.1016/j.arr.2022.101594] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/09/2022] [Accepted: 02/18/2022] [Indexed: 12/13/2022]
Abstract
Understanding factors associated with dementia risk is important for informing future interventions aimed at dementia prevention. There is accumulating evidence for the association between depression and risk of dementia, however less is known about the association between positive psychological factors and dementia incidence. This review aims to synthesise evidence regarding the association between positive psychological constructs (PPCs) and later risk of MCI and dementia in adults aged 50 and over. Literature searches were conducted in Medline, PsycINFO, and Scopus until March 2021. Papers reporting on the association between at least one PPC and later risk of MCI or dementia in people aged 50 + without cognitive impairment at baseline were included. Results from the meta-analyses revealed that purpose in life was significantly associated with a reduced risk of dementia (HR = 0.81, 95% CI [0.78, 0.85], p < .001), however results for positive affect were non-significant (HR = 0.94, 95% CI [0.76, 1.15], p = .54). Results for other PPCs are described narratively. Mixed findings for different PPCs highlight the importance of investigating these factors individually. Understanding which factors may play a protective role in their association with risk of mild cognitive impairment and dementia could have important implications for informing dementia prevention interventions.
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Bai R, Guo J, Ye XY, Xie Y, Xie T. Oxidative stress: The core pathogenesis and mechanism of Alzheimer's disease. Ageing Res Rev 2022; 77:101619. [PMID: 35395415 DOI: 10.1016/j.arr.2022.101619] [Citation(s) in RCA: 166] [Impact Index Per Article: 83.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/21/2022] [Accepted: 04/02/2022] [Indexed: 02/07/2023]
Abstract
As the number of patients with Alzheimer's disease (AD) increases, it brings great suffering to their families and causes a heavy socioeconomic burden to society. A vast amount of funds and a mass of research have been devoted to elucidating the pathology of AD. However, the main pathogenesis is still elusive, and its mechanism is not completely clear. Research on the mechanisms of AD mainly focuses on the amyloid cascade, tau protein, neuroinflammation, metal ions, and oxidative stress hypotheses. Oxidative stress is as a bridge that connects the different hypotheses and mechanisms of AD. It is a process that causes neuronal damage and occurs in various pathways. Oxidative stress plays a critical role in AD and can even be considered a crucial central factor in the pathogenesis of AD. Previous reviews have also summarized the role of oxidative stress in AD, but these mainly review a specific signaling pathway. Taking oxidative stress as the central point, this review comprehensively expands on the roles of oxidative stress that are involved in the pathogenesis of AD. The vivid and easy-to-understand figures systematically clarify the connected roles of oxidative stress in AD and allow readers to further understand oxidative stress and AD.
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Affiliation(s)
- Renren Bai
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou Normal University, Hangzhou 311121, PR China.
| | - Jianan Guo
- College of Pharmaceutical Science, Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Xiang-Yang Ye
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Yuanyuan Xie
- College of Pharmaceutical Science, Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, PR China.
| | - Tian Xie
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou Normal University, Hangzhou 311121, PR China.
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Role of Bevacizumab on Vascular Endothelial Growth Factor in Apolipoprotein E Deficient Mice after Traumatic Brain Injury. Int J Mol Sci 2022; 23:ijms23084162. [PMID: 35456980 PMCID: PMC9024601 DOI: 10.3390/ijms23084162] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/06/2022] [Accepted: 04/08/2022] [Indexed: 02/01/2023] Open
Abstract
Traumatic brain injury (TBI) disrupts the blood–brain barrier (BBB). Vascular endothelial growth factor (VEGF) is believed to play a key role in TBI and to be overexpressed in the absence of apolipoprotein E (ApoE). Bevacizumab, a VEGF inhibitor, demonstrated neuroprotective activity in several models of TBI. However, the effects of bevacizumab on Apo-E deficient mice are not well studied. The present study aimed to evaluate VEGF expression and the effects of bevacizumab on BBB and neuroinflammation in ApoE−/− mice undergoing TBI. Furthermore, for the first time, this study evaluates the effects of bevacizumab on the long-term consequences of TBI, such as atherosclerosis. The results showed that motor deficits induced by controlled cortical impact (CCI) were accompanied by increased brain edema and VEGF expression. Treatment with bevacizumab significantly improved motor deficits and significantly decreased VEGF levels, as well as brain edema compared to the control group. Furthermore, the results showed that bevacizumab preserves the integrity of the BBB and reduces the neuroinflammation induced by TBI. Regarding the effects of bevacizumab on atherosclerosis, it was observed for the first time that its ability to modulate VEGF in the acute phase of head injury prevents the acceleration of atherosclerosis. Therefore, the present study demonstrates not only the neuroprotective activity of bevacizumab but also its action on the vascular consequences related to TBI.
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Abstract
Significance: Inflammasomes are cytosolic multiprotein complexes that mediate innate immune pathways. Inflammasomes activate inflammatory caspases and regulate inflammatory cytokines interleukin (IL)-1β and IL-18 as well as inflammatory cell death (pyroptosis). Among known inflammasomes, NLRP3 (NLR family pyrin domain containing 3) inflammasome is unique and well studied owing to the fact that it senses a broad range of stimuli and is implicated in the pathogenesis of both microbial and sterile inflammatory diseases. Recent Advances: Reactive oxygen species (ROS), especially derived from the mitochondria, are one of the critical mediators of NLRP3 inflammasome activation. Furthermore, NLRP3 inflammasome-driven inflammation recruits inflammatory cells, including macrophages and neutrophils, which in turn cause ROS production, suggesting a feedback loop between ROS and NLRP3 inflammasome. Critical Issues: The precise mechanism of how ROS affects NLRP3 inflammasome activation still need to be addressed. This review will summarize the current knowledge on the molecular mechanisms underlying the activation of NLRP3 inflammasome with particular emphasis on the intricate balance of feedback loop between ROS and inflammasome activation. Future Directions: Understanding that this relationship is loop rather than traditionally understood linear mechanism will enable to fine-tune inflammasome activation under varied pathological settings. Antioxid. Redox Signal. 36, 784-796.
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Affiliation(s)
- Abishai Dominic
- Department of Molecular and Cellular Medicine, College of Medicine, Texas A&M University, College Station, Texas, USA.,Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, Texas, USA
| | - Nhat-Tu Le
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, Texas, USA
| | - Masafumi Takahashi
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
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Khan H, Grewal AK, kumar M, Singh TG. Pharmacological postconditioning by protocatechuic acid attenuates brain injury in ischemia-reperfusion (I/R) mice model: Implications of nuclear factor erythroid-2-related factor pathway. Neuroscience 2022; 491:23-31. [DOI: 10.1016/j.neuroscience.2022.03.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/24/2022] [Accepted: 03/14/2022] [Indexed: 12/15/2022]
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Cárdenas-Tueme M, Trujillo-Villarreal LÁ, Ramírez-Amaya V, Garza-Villarreal EA, Camacho-Morales A, Reséndez-Pérez D. Fornix volumetric increase and microglia morphology contribute to spatial and recognition-like memory decline in ageing male mice. Neuroimage 2022; 252:119039. [PMID: 35227858 DOI: 10.1016/j.neuroimage.2022.119039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 10/19/2022] Open
Abstract
Ageing displays a low-grade pro-inflammatory profile in blood and the brain. Accumulation of pro-inflammatory cytokines, microglia activation and volumetric changes in the brain correlate with cognitive decline in ageing models. However, the interplay between them is not totally understood. Here, we aimed to globally identify an age-dependent pro-inflammatory profile and microglia morphological plasticity that favors major volume changes in the brain associated with cognitive decline. Cluster analysis of behavioral data obtained from 2-,12- and 20-month-old male C57BL/6 mice revealed age-dependent cognitive decline after the Y-maze, Barnes maze, object recognition (NORT) and object location tests (OLT). Global magnetic resonance imageing (MRI) analysis by deformation-based morphometry (DBM) in the brain identified a volume increase in the fornix and a decrease in the left medial entorhinal cortex (MEntC) during ageing. Notably, the fornix shows an increase in the accumulation of pro-inflammatory cytokines, whereas the left MEntC displays a decrease. Morphological assessment of microglia also confirms an active and dystrophic phenotype in the fornix and a surveillance phenotype in the left MEntC. Finally, biological modeling revealed that age-related volume increase in the fornix was associated with dystrophic microglia and cognitive impairment, as evidenced by failure on tasks examining memory of object location and novelty. Our results propose that the morphological plasticity of microglia might contribute to volumetric changes in brain regions associated with cognitive decline during physiological ageing.
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Affiliation(s)
- Marcela Cárdenas-Tueme
- Universidad Autonoma de Nuevo León, Facultad de Ciencias Biológicas, Departamento de Biología Celular y Genética, San Nicolás de los Garza, Nuevo León, México
| | - Luis Ángel Trujillo-Villarreal
- Universidad Autonoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica, Monterrey, Nuevo León, México; Universidad Autonoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la Salud, Unidad de Neurometabolismo, Monterrey, Nuevo León, México
| | - Victor Ramírez-Amaya
- Instituto de Investigación Médica Mercedes y Martín Ferreyra INIMEC-CONICET- UNC, Friuli 2434, Colinas de Vélez Sarsfield, Córdoba 5016, Argentina
| | - Eduardo A Garza-Villarreal
- Instituto de Neurobiología, Universidad Nacional Autónoma de México Campus Juriquilla, Querétaro, México
| | - Alberto Camacho-Morales
- Universidad Autonoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica, Monterrey, Nuevo León, México; Universidad Autonoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la Salud, Unidad de Neurometabolismo, Monterrey, Nuevo León, México.
| | - Diana Reséndez-Pérez
- Universidad Autonoma de Nuevo León, Facultad de Ciencias Biológicas, Departamento de Biología Celular y Genética, San Nicolás de los Garza, Nuevo León, México.
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45
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Noor NA, Hosny EN, Khadrawy YA, Mourad IM, Othman AI, Aboul Ezz HS, Mohammed HS. Effect of curcumin nanoparticles on streptozotocin-induced male Wistar rat model of Alzheimer's disease. Metab Brain Dis 2022; 37:343-357. [PMID: 35048324 DOI: 10.1007/s11011-021-00897-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease that afflicts millions of people all over the world. Intracerebroventricular (ICV) injection of a sub-diabetogenic dose of streptozotocin (STZ) was established as an experimental animal model of AD. The present study was conducted to evaluate the efficacy of curcumin nanoparticles (CNs) against the behavioral, neurochemical and histopathological alterations induced by ICV-STZ. The animals were divided into: control animals, the animal model of AD that received a single bilateral ICV microinjection of STZ, and the animals protected by a daily oral administration of CNs for 6 days before the ICV-STZ injection. The animals of all groups were subjected to surgical operation on the 7th day of administration. Then the administration of distilled water or CNs was continued for 8 days. The ICV-STZ microinjection produced cognitive impairment as evident from the behavioral Morris water maze (MWM) test and induced oxidative stress in the cortex and hippocampus as indicated by the significant increases in lipid peroxidation and nitric oxide (NO) levels and the significant decrease in reduced glutathione (GSH) levels. It also produced a significant increase in acetylcholinesterase (AChE) and tumor necrosis-alpha (TNF-ɑ) and a significant decrease in Na+,K + -ATPase. In addition, a significant increase in amino acid neurotransmitters occurred in the hippocampus, whereas a significant decrease was obtained in the cortex of STZ-induced AD rats. CNs ameliorated the behavioral, immunohistochemical and most of the neurochemical alterations induced by STZ in the hippocampus and cortex. It may be concluded that CNs might be considered as a promising therapeutic agent for the treatment of AD.
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Affiliation(s)
- Neveen A Noor
- Zoology department, Faculty of Science, Cairo University, Giza, Egypt
| | - Eman N Hosny
- Department of Medical Physiology, Medical Division, National Research Center, El-Behouth St., Giza, Egypt
| | - Yasser A Khadrawy
- Department of Medical Physiology, Medical Division, National Research Center, El-Behouth St., Giza, Egypt.
| | - Iman M Mourad
- Zoology department, Faculty of Science, Cairo University, Giza, Egypt
| | - Amel I Othman
- Zoology department, Faculty of Science, Cairo University, Giza, Egypt
| | - Heba S Aboul Ezz
- Zoology department, Faculty of Science, Cairo University, Giza, Egypt
| | - Haitham S Mohammed
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt
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Afewerky HK, Li H, Zhang T, Li X, Mahaman YAR, Duan L, Qin P, Zheng J, Pei L, Lu Y. Sodium-calcium exchanger isoform-3 targeted Withania somnifera (L.) Dunal therapeutic intervention ameliorates cognition in the 5xFAD mouse model of Alzheimer's disease. Sci Rep 2022; 12:1537. [PMID: 35087161 PMCID: PMC8795410 DOI: 10.1038/s41598-022-05568-2] [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] [Received: 07/01/2021] [Accepted: 12/28/2021] [Indexed: 11/16/2022] Open
Abstract
The third isoform of the Na+-Ca2+ exchanger (NCX3) is crucial for a physiological fine-tuning of the Ca2+ fluxes in excitable tissues. In this view, the NCX3 accounts for the aberrant Ca2+ influx seen during neuronal excitotoxicity, such as in Alzheimer's disease (AD). However, little is known about NCX3 regulation and functional properties. Withania somnifera (L.) Dunal (W. somnifera), a traditional indigenous plant widely recognized for having numerous medicinal values, was undertaken to determine its potential therapeutic benefit against aggregated Aβ1-42-induced NCX3 dysregulation and the thereof cognition impairment in 5xFAD mice. The undertaken sourced dried roots of authenticated W. somnifera physicochemical compositional tests satisfied standards of pharmacognostic quality, and further phytochemical analysis of the roots methanol extract revealed the roots constitute several antioxidants. Following an intra-gastric gavage administration of synthesized W. somnifera roots methanolic extract from postnatal day 30 (P30) to P75, in vivo cognitional studies and then neurochemical examinations of the NCX3 expression level, Aβ plaque deposition, and antioxidant activities in the AD-associated brain regions of 4-month-old 5xFAD mice suggests that the oxidative stress normalizing effects of W. somnifera constituents, operating on the NCX3, may have a therapeutic role in the improvement of cognition in AD.
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Affiliation(s)
- Henok Kessete Afewerky
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Department of Pathology and Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- School of Allied Health Professions, Asmara College of Health Sciences, Asmara, Eritrea.
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China.
| | - Hao Li
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tongmei Zhang
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinyan Li
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yacoubou Abdoul Razak Mahaman
- Department of Pathology and Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
| | - Limin Duan
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengwei Qin
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiequn Zheng
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Pei
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China
| | - Youming Lu
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- The Institute for Brain Research, Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan, China.
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Visioli F, Mucignat-Caretta C, Anile F, Panaite SA. Traditional and Medical Applications of Fasting. Nutrients 2022; 14:nu14030433. [PMID: 35276792 PMCID: PMC8838777 DOI: 10.3390/nu14030433] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/06/2022] [Accepted: 01/17/2022] [Indexed: 02/07/2023] Open
Abstract
Fasting has been practiced for millennia, for religious, ethical, or health reasons. It is also commonplace among different species, from humans, to animals, to lower eukaryotes. Research on fasting is gaining traction based on recent studies that show its role in many adaptive cellular responses such as the reduction of oxidative damage and inflammation, increase of energy metabolism, and in boosting cellular protection. In this expert review, we recount the historical evolution of fasting and we critically analyze its current medical applications, including benefits and caveats. Based on the available data, we conclude that the manipulation of dietary intake, in the form of calorie restriction, intermittent fasting, dietary restriction with the exclusion of some nutrients, prolonged fasting, and so forth, is anthropologically engraved in human culture possibly because of its positive health effects. Indeed, many studies show that fasting ameliorates many biochemical parameters related to cardiovascular and cancer risk, and neurodegeneration. Mechanistic studies are plentiful, but largely limited to cell cultures or laboratory animals. Understandably, there are no controlled trials of any form of fasting that gauge the effects on [any cause] mortality. Physicians should be aware that misinformation is pervasive and that their patients often adopt dietary regimens that are far from being clinically validated. Moreover, doctors are often unaware of their patients’ religious or traditional fasting and of its potential health effects. Based on current evidence, no long-term fasting should be undertaken without medical supervision until future research will hopefully help shed further light on fasting and its effects on human health.
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Affiliation(s)
- Francesco Visioli
- Department of Molecular Medicine, University of Padova, Viale G. Colombo, 335121 Padova, Italy; (C.M.-C.); (F.A.)
- IMDEA-Food, 28049 Madrid, Spain
- Correspondence: ; Tel.: +390498276107
| | - Carla Mucignat-Caretta
- Department of Molecular Medicine, University of Padova, Viale G. Colombo, 335121 Padova, Italy; (C.M.-C.); (F.A.)
| | - Francesca Anile
- Department of Molecular Medicine, University of Padova, Viale G. Colombo, 335121 Padova, Italy; (C.M.-C.); (F.A.)
| | - Stefan-Alexandru Panaite
- Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, School of Hygiene and Preventive Medicine, University of Padova, 35121 Padova, Italy;
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Role of IL-33/ST2 Axis in Chronic Inflammatory Neurological Disorderss. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2021. [DOI: 10.2478/sjecr-2020-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Interleukin-33 (IL-33) is a member of IL-1 family of cytokines, produced constitutively by fibroblasts, endothelial cells, and epithelial cells. IL-33 can be released passively from cells during tissue damage and cell necrosis, suggesting that it may act as an alarmin. Function of IL-33 is mediated by its interaction with ST2 molecule that is expressed on many immune cells: Th2 lymphocytes, NK, NKT and mast cells, monocytes, dendritic cells and granulocytes. IL-33/ST2 pathway plays, often dual, roles in different physiological and inflammatory processes, mediating both, pathological immune responses and tissue repair. Expression of IL-33 in the central nervous system (CNS) is significantly enhanced during various pathological processes, indicating its important role in the pathogenesis of neurological inflammatory and degenerative diseases. In this review the biological features, expression of IL-33 and its ligand ST2 in CNS, and the role of IL- 33/ST2 pathway in development of Alzheimer’s disease and multiple sclerosis are discussed.
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Wang T, Ruan B, Wang J, Zhou Z, Zhang X, Zhang C, Zhao H, Yang Y, Yuan D. Activation of NLRP3-Caspase-1 pathway contributes to age-related impairments in cognitive function and synaptic plasticity. Neurochem Int 2021; 152:105220. [PMID: 34743016 DOI: 10.1016/j.neuint.2021.105220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/12/2021] [Accepted: 11/02/2021] [Indexed: 11/29/2022]
Abstract
Aging is characterized by a progressive deterioration in physiological functions that is associated with cognitive decline as well as other physical functional impairments. Microglia activation leading to neuroinflammation has been generally recognized as playing a critical role in the development of age-related cognitive decline. NLRP3 inflammasome in microglia is fundamental for IL-1β maturation and subsequent inflammatory events. However, it remains unknown whether NLRP3 activation contributes to aging-induced cognitive decline in vivo. Here, our study demonstrated that aging rats showed declined cognitive function and impaired synaptic plasticity as well as decreased density of dendritic spines. Importantly, our data demonstrated strongly enhanced expression of NLRP3, ASC and Caspase-1 in the hippocampus of aged rats as well as decreased AMPA receptor and phosphorylated levels of CaMKII and CREB in the hippocampus of natural aging rats. Furthermore, NLRP3 inflammasome inhibitor elevated the surface expression of AMPA receptor and the phosphorylated levels of CaMKII, CREB in hippocampus, and finally contributed to the attenuation of hippocampal long-term potentiation (LTP) deficits and the improvement of cognitive decline of natural aging rats. These results revealed an important role for the NLRP3-Caspase-1 pathway in aging-induced cognitive decline and suggested that inhibition of NLRP3 inflammasome represented a novel therapeutic intervention for aging-related cognitive impairment.
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Affiliation(s)
- Ting Wang
- Academy of Nutrition and Health,Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China; Department of Pharmacy, College of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Bo Ruan
- College of Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Jinxin Wang
- College of Traditional Chinese Medicine, Three Gorges University & Yichang Hospital of Traditional Chinese Medicine, Yichang, Hubei, China
| | - Zhiyong Zhou
- College of Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Xulan Zhang
- College of Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Changcheng Zhang
- College of Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Haixia Zhao
- College of Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Yuanjian Yang
- Biological Psychiatry Laboratory, Department of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, China.
| | - Ding Yuan
- College of Medical Science, Three Gorges University, Yichang, Hubei, China.
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50
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Wang H, Lu J, Zhao X, Qin R, Song K, Xu Y, Zhang J, Chen Y. Alzheimer's disease in elderly COVID-19 patients: potential mechanisms and preventive measures. Neurol Sci 2021; 42:4913-4920. [PMID: 34550494 PMCID: PMC8455804 DOI: 10.1007/s10072-021-05616-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 09/17/2021] [Indexed: 12/13/2022]
Abstract
Advanced age correlates with higher morbidity and mortality among patients affected with the novel coronavirus disease 2019 (COVID-19). Because systemic inflammation and neurological symptoms are also common in severe COVID-19 cases, there is concern that COVID-19 may lead to neurodegenerative conditions such as Alzheimer’s disease (AD). In this review, we summarize possible mechanisms by which infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19, may cause AD in elderly COVID-19 patients and describe preventive measures to mitigate risk. Potential mechanisms include NLRP3 inflammasome activation and IL-1β release, renin-angiotensin system hyperactivation, innate immune activation, oxidative stress, direct viral infection, and direct cytolytic β-cell damage. Anti-inflammatory therapies, including TNF-α inhibitors and nonsteroidal anti-inflammatory drugs, antioxidants such as the vitamin E family, nutritional intervention, physical activity, blood glucose control, and vaccination are proposed as preventive measures to minimize AD risk in COVID-19 patients. Since several risk factors for AD may converge during severe SARS-CoV-2 infection, neurologists should be alert for potential symptoms of AD and actively implement preventive measures in patients presenting with neuropsychiatric symptoms and in high-risk patients such as the elderly.
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Affiliation(s)
- Haili Wang
- Department of Clinical Medicine, Dalian Medical University, Dalian, 116000, Liaoning, China.,Department of Neurology, Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Juan Lu
- Department of Neuro Intensive Care Unit, Subei People's Hospital of Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Xia Zhao
- Department of Emergency Medicine, Subei People's Hospital of Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Rongyin Qin
- Department of Neurology, Shanghai General Hospital (Jiading District), Jiading, Shanghai, 201812, China
| | - Kangping Song
- Department of Neurology, Institute of Clinical Neuroscience, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China
| | - Yao Xu
- Department of Neurology, Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Jun Zhang
- Department of Neurosurgery, Huashan Hospital, Fudan University, Jingan, Shanghai, 200040, China.
| | - Yingzhu Chen
- Department of Neurology, Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu, China.
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