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Zhang B, Zhao J, Yan C, Bai Y, Guo P, Wang C, Wang Z, Du G, Liu A. Combination of RNA-seq and proteomics reveals the mechanism of DL0410 treatment in APP/PS1 transgenic mouse model of Alzheimer's disease. Biomed Pharmacother 2024; 177:116940. [PMID: 38925020 DOI: 10.1016/j.biopha.2024.116940] [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: 04/01/2024] [Revised: 06/05/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
There is a lack of a systematic understanding of the specific mechanism of action of DL0410 in AD treatment. In this study, the combination of RNA-seq and proteomics was firstly employed to uncover the mechanism of action of DL0410 in APP/PS1 transgenic mice. The results of behavioral tests showed that oral administration of DL0410 for 8 weeks improved memory and cognition of APP/PS1 mice. DL0410 significantly reduced β-amyloid deposition and resulted in significant upregulation of synaptophysin, PSD95 and NMDAR/ CaMKⅡ signaling pathway in the hippocampus and cortex, indicating that DL0410 improved synaptic plasticity in APP/PS1 mice, which agrees with the results of RNA-seq and proteomics. Furthermore, the enrichment results of differentially expressed genes identified by RNA-seq and proteomics demonstrate the potential protective effects of DL0410 against oxidative stress and mitochondrial dysfunction. As expected, DL0410 dose-dependently ameliorated oxidative damage and markedly increased the expression of PGC-1α, TFAM, SOD1 and SOD2. Mitochondrial high-resolution respirometry results revealed that mitochondrial respiratory function was significantly improved in APP/PS1 mice administered with DL0410. In addition, DL0410 treatment reduced oxidative damage, strengthened antioxidant system and improved mitochondrial function in Aβ-induced HT22 cells. Altogether, our findings suggest the potential of DL0410 as a novel candidate for AD treatment.
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Affiliation(s)
- Baoyue Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China; Qilu Hospital of Shandong University, Qingdao 266000, China
| | - Jun Zhao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Caiqin Yan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yiming Bai
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Pengfei Guo
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Chao Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Zhe Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Guanhua Du
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Ailin Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 10050, China; Beijing Key Lab of Drug Target Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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2
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Kosenkov AM, Maiorov SA, Gaidin SG. Astrocytic NMDA Receptors. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:1045-1060. [PMID: 38981700 DOI: 10.1134/s0006297924060063] [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: 12/20/2023] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 07/11/2024]
Abstract
Astrocytic NMDA receptors (NMDARs) are heterotetramers, whose expression and properties are largely determined by their subunit composition. Astrocytic NMDARs are characterized by a low sensitivity to magnesium ions and low calcium conductivity. Their activation plays an important role in the regulation of various intracellular processes, such as gene expression and mitochondrial function. Astrocytic NMDARs are involved in calcium signaling in astrocytes and can act through the ionotropic and metabotropic pathways. Astrocytic NMDARs participate in the interactions of the neuroglia, thus affecting synaptic plasticity. They are also engaged in the astrocyte-vascular interactions and contribute to the regulation of vascular tone. Astrocytic NMDARs are involved in various pathologies, such as ischemia and hyperammonemia, and their blockade prevents negative changes in astrocytes during these diseases.
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Affiliation(s)
- Artem M Kosenkov
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Sergei A Maiorov
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Sergei G Gaidin
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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3
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Mao X, Han D, Guo W, Zhang W, Wang H, Zhang G, Zhang N, Jin L, Nie B, Li H, Song Y, Wu Y, Chang L. Lateralized brunt of sleep deprivation on white matter injury in a rat model of Alzheimer's disease. GeroScience 2024; 46:2295-2315. [PMID: 37940789 PMCID: PMC10828179 DOI: 10.1007/s11357-023-01000-3] [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: 08/01/2023] [Accepted: 10/25/2023] [Indexed: 11/10/2023] Open
Abstract
Sleep disturbance is a recognized risk factor for Alzheimer's disease (AD), but the underlying micro-pathological evidence remains limited. To bridge this gap, we established an amyloid-β oligomers (AβO)-induced rat model of AD and subjected it to intermittent sleep deprivation (SD). Diffusion tensor imaging (DTI) and transmission electron microscopy were employed to assess white matter (WM) integrity and ultrastructural changes in myelin sheaths. Our findings demonstrated that SD exacerbated AβO-induced cognitive decline. Furthermore, we found SD aggravated AβO-induced asymmetrical impairments in WM, presenting with reductions in tract integrity observed in commissural fibers and association fasciculi, particularly the right anterior commissure, right corpus callosum, and left cingulum. Ultrastructural changes in myelin sheaths within the hippocampus and corpus callosum further confirmed a lateralized effect. Moreover, SD worsened AβO-induced lateralized disruption of the brain structural network, with impairments in critical nodes of the left hemisphere strongly correlated with cognitive dysfunction. This work represents the first identification of a lateralized impact of SD on the mesoscopic network and cognitive deficits in an AD rat model. These findings could deepen our understanding of the complex interplay between sleep disturbance and AD pathology, providing valuable insights into the early progression of the disease, as well as the development of neuroimaging biomarkers for screening early AD patients with self-reported sleep disturbances. Enhanced understanding of these mechanisms may pave the way for targeted interventions to alleviate cognitive decline and improve the quality of life for individuals at risk of or affected by AD.
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Affiliation(s)
- Xin Mao
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Ding Han
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Wensheng Guo
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Wanning Zhang
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Hongqi Wang
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Guitao Zhang
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Ning Zhang
- Department of Neuropsychiatry and Behavioral Neurology and Clinical Psychology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Liangyun Jin
- Electron Microscope Room of Central Laboratory, Capital Medical University, Beijing, 100069, China
| | - Binbin Nie
- Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Hui Li
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yizhi Song
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yan Wu
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
| | - Lirong Chang
- Department of Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
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4
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Lachén-Montes M, Cartas-Cejudo P, Cortés A, Anaya-Cubero E, Peral E, Ausín K, Díaz-Peña R, Fernández-Irigoyen J, Santamaría E. Involvement of Glucosamine 6 Phosphate Isomerase 2 (GNPDA2) Overproduction in β-Amyloid- and Tau P301L-Driven Pathomechanisms. Biomolecules 2024; 14:394. [PMID: 38672412 PMCID: PMC11048700 DOI: 10.3390/biom14040394] [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: 02/14/2024] [Revised: 03/18/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative olfactory disorder affecting millions of people worldwide. Alterations in the hexosamine- or glucose-related pathways have been described through AD progression. Specifically, an alteration in glucosamine 6 phosphate isomerase 2 (GNPDA2) protein levels has been observed in olfactory areas of AD subjects. However, the biological role of GNPDA2 in neurodegeneration remains unknown. Using mass spectrometry, multiple GNPDA2 interactors were identified in human nasal epithelial cells (NECs) mainly involved in intraciliary transport. Moreover, GNPDA2 overexpression induced an increment in NEC proliferation rates, accompanied by transcriptomic alterations in Type II interferon signaling or cellular stress responses. In contrast, the presence of beta-amyloid or mutated Tau-P301L in GNPDA2-overexpressing NECs induced a slowdown in the proliferative capacity in parallel with a disruption in protein processing. The proteomic characterization of Tau-P301L transgenic zebrafish embryos demonstrated that GNPDA2 overexpression interfered with collagen biosynthesis and RNA/protein processing, without inducing additional changes in axonal outgrowth defects or neuronal cell death. In humans, a significant increase in serum GNPDA2 levels was observed across multiple neurological proteinopathies (AD, Lewy body dementia, progressive supranuclear palsy, mixed dementia and amyotrophic lateral sclerosis) (n = 215). These data shed new light on GNPDA2-dependent mechanisms associated with the neurodegenerative process beyond the hexosamine route.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Enrique Santamaría
- Clinical Neuroproteomics Unit, Proteomics Platform, Navarrabiomed, Hospitalario Universitario de Navarra (HUN), IdiSNA, Navarra Institute for Health Research, Universidad Pública de Navarra (UPNA), Irunlarrea 3, 31008 Pamplona, Spain; (M.L.-M.); (P.C.-C.); (A.C.); (E.A.-C.); (E.P.); (K.A.); (R.D.-P.); (J.F.-I.)
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5
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Chen J, Chen JS, Li S, Zhang F, Deng J, Zeng LH, Tan J. Amyloid Precursor Protein: A Regulatory Hub in Alzheimer's Disease. Aging Dis 2024; 15:201-225. [PMID: 37307834 PMCID: PMC10796103 DOI: 10.14336/ad.2023.0308] [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: 01/30/2023] [Accepted: 03/08/2023] [Indexed: 06/14/2023] Open
Abstract
Decades of research have demonstrated an incontrovertible role of amyloid-β (Aβ) in the etiology of Alzheimer's disease (AD). However, the overemphasis on the pathological impacts of Aβ may obscure the role of its metabolic precursor, amyloid precursor protein (APP), as a significant hub in the occurrence and progression of AD. The complicated enzymatic processing, ubiquitous receptor-like properties, and abundant expression of APP in the brain, as well as its close links with systemic metabolism, mitochondrial function and neuroinflammation, imply that APP plays multifaceted roles in AD. In this review, we briefly describe the evolutionarily conserved biological characteristics of APP, including its structure, functions and enzymatic processing. We also discuss the possible involvement of APP and its enzymatic metabolites in AD, both detrimental and beneficial. Finally, we describe pharmacological agents or genetic approaches with the capability to reduce APP expression or inhibit its cellular internalization, which can ameliorate multiple aspects of AD pathologies and halt disease progression. These approaches provide a basis for further drug development to combat this terrible disease.
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Affiliation(s)
- Jiang Chen
- Key Laboratory of Endemic and Ethnic Diseases, Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
| | - Jun-Sheng Chen
- Key Laboratory of Endemic and Ethnic Diseases, Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
| | - Song Li
- The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China.
| | - Fengning Zhang
- Key Laboratory of Endemic and Ethnic Diseases, Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
| | - Jie Deng
- Key Laboratory of Endemic and Ethnic Diseases, Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
| | - Ling-Hui Zeng
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang, China
| | - Jun Tan
- Key Laboratory of Endemic and Ethnic Diseases, Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, China.
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang, China
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6
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Wang J, Cheng P, Qu Y, Zhu G. Astrocytes and Memory: Implications for the Treatment of Memory-related Disorders. Curr Neuropharmacol 2024; 22:CN-EPUB-138107. [PMID: 38288836 PMCID: PMC11337689 DOI: 10.2174/1570159x22666240128102039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/29/2023] [Indexed: 08/23/2024] Open
Abstract
Memory refers to the imprint accumulated in the brain by life experiences and represents the basis for humans to engage in advanced psychological activities such as thinking and imagination. Previously, research activities focused on memory have always targeted neurons. However, in addition to neurons, astrocytes are also involved in the encoding, consolidation, and extinction of memory. In particular, astrocytes are known to affect the recruitment and function of neurons at the level of local synapses and brain networks. Moreover, the involvement of astrocytes in memory and memory-related disorders, especially in Alzheimer's disease (AD) and post-traumatic stress disorder (PTSD), has been investigated extensively. In this review, we describe the unique contributions of astrocytes to synaptic plasticity and neuronal networks and discuss the role of astrocytes in different types of memory processing. In addition, we also explore the roles of astrocytes in the pathogenesis of memory-related disorders, such as AD, brain aging, PTSD and addiction, thus suggesting that targeting astrocytes may represent a potential strategy to treat memory-related neurological diseases. In conclusion, this review emphasizes that thinking from the perspective of astrocytes will provide new ideas for the diagnosis and therapy of memory-related neurological disorders.
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Affiliation(s)
- Juan Wang
- Key Laboratory of Xin’an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei 230012, China
| | - Ping Cheng
- Key Laboratory of Xin’an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei 230012, China
| | - Yan Qu
- Key Laboratory of Xin’an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei 230012, China
| | - Guoqi Zhu
- Key Laboratory of Xin’an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei 230012, China
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7
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Liu W, Li Y, Zhao T, Gong M, Wang X, Zhang Y, Xu L, Li W, Li Y, Jia J. The role of N-methyl-D-aspartate glutamate receptors in Alzheimer's disease: From pathophysiology to therapeutic approaches. Prog Neurobiol 2023; 231:102534. [PMID: 37783430 DOI: 10.1016/j.pneurobio.2023.102534] [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: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/04/2023]
Abstract
N-Methyl-D-aspartate glutamate receptors (NMDARs) are involved in multiple physiopathological processes, including synaptic plasticity, neuronal network activities, excitotoxic events, and cognitive impairment. Abnormalities in NMDARs can initiate a cascade of pathological events, notably in Alzheimer's disease (AD) and even other neuropsychiatric disorders. The subunit composition of NMDARs is plastic, giving rise to a diverse array of receptor subtypes. While they are primarily found in neurons, NMDAR complexes, comprising both traditional and atypical subunits, are also present in non-neuronal cells, influencing the functions of various peripheral tissues. Furthermore, protein-protein interactions within NMDAR complexes has been linked with Aβ accumulation, tau phosphorylation, neuroinflammation, and mitochondrial dysfunction, all of which potentially served as an obligatory relay of cognitive impairment. Nonetheless, the precise mechanistic link remains to be fully elucidated. In this review, we provided an in-depth analysis of the structure and function of NMDAR, investigated their interactions with various pathogenic proteins, discussed the current landscape of NMDAR-based therapeutics, and highlighted the remaining challenges during drug development.
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Affiliation(s)
- Wenying Liu
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Yan Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Tan Zhao
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Min Gong
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Xuechu Wang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Yue Zhang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China
| | - Lingzhi Xu
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China; Beijing Key Laboratory of Geriatric Cognitive Disorders, PR China; Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, PR China; Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, PR China; Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing 100053, PR China
| | - Wenwen Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China; Beijing Key Laboratory of Geriatric Cognitive Disorders, PR China; Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, PR China; Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, PR China; Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing 100053, PR China
| | - Yan Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China; Beijing Key Laboratory of Geriatric Cognitive Disorders, PR China; Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, PR China; Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, PR China; Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing 100053, PR China
| | - Jianping Jia
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, PR China; Beijing Key Laboratory of Geriatric Cognitive Disorders, PR China; Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, PR China; Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, PR China; Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing 100053, PR China.
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8
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Chen X, Gao R, Song Y, Xu T, Jin L, Zhang W, Chen Z, Wang H, Wu W, Zhang S, Zhang G, Zhang N, Chang L, Liu H, Li H, Wu Y. Astrocytic AT1R deficiency ameliorates Aβ-induced cognitive deficits and synaptotoxicity through β-arrestin2 signaling. Prog Neurobiol 2023; 228:102489. [PMID: 37355221 DOI: 10.1016/j.pneurobio.2023.102489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 06/20/2023] [Indexed: 06/26/2023]
Abstract
Alzheimer's disease (AD) seriously influences human health, and there is no effective treatment to prevent or cure AD. Recent studies have shown that angiotensin II type 1 receptor (AT1R) blockers significantly reduce the prevalence of AD, while the precise role and mechanism of AT1R in AD remain obscure. In this study, for the first time, we identified that astrocytic but not neuronal AT1R levels were significantly increased in AD model rats and found that astrocyte-specific knockout of AT1R significantly ameliorated amyloid β (Aβ)-induced cognitive deficits and synaptotoxicity. Pretreating astrocytes with an AT1R blocker also alleviated Aβ-induced synaptotoxicity in the coculture system of hippocampal neurons and astrocytes. Moreover, AT1R could directly bind to Aβ1-42 and activate the astrocytic β-arrestin2 pathway in a biased manner, and biased inhibition of the astrocytic AT1R/β-arrestin2 pathway relieved Aβ-induced neurotoxicity. Furthermore, we demonstrated that astrocytic AT1R/β-arrestin2 pathway-mediated synaptotoxicity was associated with the aggregation of autophagosomes, which triggered the disordered degradation of Aβ. Our findings reveal a novel molecular mechanism of astrocytic AT1R in Aβ-induced neurodegeneration and might contribute to establishing new targets for AD prevention and therapy.
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Affiliation(s)
- Xinyue Chen
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ruiqi Gao
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Yizhi Song
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Tao Xu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Liangyun Jin
- Electron Microscope Room of Central Laboratory, Capital Medical University, Beijing 100069, China
| | - Wanning Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ziyan Chen
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Hongqi Wang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Wenxing Wu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Suli Zhang
- Department of Physiology & Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Guitao Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ning Zhang
- Department of Neuropsychiatry and Behavioral Neurology and Clinical Psychology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Lirong Chang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Huirong Liu
- Department of Physiology & Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Hui Li
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China.
| | - Yan Wu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China.
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9
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Gudkov SV, Burmistrov DE, Kondakova EV, Sarimov RM, Yarkov RS, Franceschi C, Vedunova MV. An emerging role of astrocytes in aging/neuroinflammation and gut-brain axis with consequences on sleep and sleep disorders. Ageing Res Rev 2023; 83:101775. [PMID: 36334910 DOI: 10.1016/j.arr.2022.101775] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 10/05/2022] [Accepted: 10/30/2022] [Indexed: 11/18/2022]
Abstract
Understanding the role of astrocytes in the central nervous system has changed dramatically over the last decade. The accumulating findings indicate that glial cells are involved not only in the maintenance of metabolic and ionic homeostasis and in the implementation of trophic functions but also in cognitive functions and information processing in the brain. Currently, there are some controversies regarding the role of astrocytes in complex processes such as aging of the nervous system and the pathogenesis of age-related neurodegenerative diseases. Many findings confirm the important functional role of astrocytes in age-related brain changes, including sleep disturbance and the development of neurodegenerative diseases and particularly Alzheimer's disease. Until recent years, neurobiological research has focused mainly on neuron-glial interactions, in which individual astrocytes locally modulate neuronal activity and communication between neurons. The review considers the role of astrocytes in the physiology of sleep and as an important "player" in the development of neurodegenerative diseases. In addition, the features of the astrocytic network reorganization during aging are discussed.
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Affiliation(s)
- Sergey V Gudkov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., 119991 Moscow, Russia; Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., 603022 Nizhny Novgorod, Russia.
| | - Dmitriy E Burmistrov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., 119991 Moscow, Russia.
| | - Elena V Kondakova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., 603022 Nizhny Novgorod, Russia.
| | - Ruslan M Sarimov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., 119991 Moscow, Russia.
| | - Roman S Yarkov
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., 603022 Nizhny Novgorod, Russia.
| | - Claudio Franceschi
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., 603022 Nizhny Novgorod, Russia.
| | - Maria V Vedunova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., 603022 Nizhny Novgorod, Russia.
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10
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Niu M, Yang X, Li Y, Sun Y, Wang L, Ha J, Xie Y, Gao Z, Tian C, Wang L, Sun Y. Progresses in GluN2A-containing NMDA Receptors and their Selective Regulators. Cell Mol Neurobiol 2023; 43:139-153. [PMID: 34978648 DOI: 10.1007/s10571-021-01185-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 12/18/2021] [Indexed: 01/07/2023]
Abstract
NMDA receptors play an important physiological role in regulating synaptic plasticity, learning and memory. GluN2A subunits are the most abundant functional subunits of NMDA receptors expressed in mature brain, and their dysfunction is related to various neurological diseases. According to subunit composition, GluN2A-containing NMDA receptors can be divided into two types: diheteromeric and triheteromeric receptors. In this review, the expression, functional and pharmacological properties of different kinds of GluN2A-containing NMDA receptors as well as selective GluN2A regulators were described to further understand this type of NMDA receptors.
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Affiliation(s)
- Menghan Niu
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China
| | - Xin Yang
- Department of Pharmaceutical Engineering, Hebei Chemical & Pharmaceutical College, Fangxing Road 88, Shijiazhuang, 050026, Hebei, China.,Hebei Technological Innovation Center of Chiral Medicine, Shijiazhuang, China
| | - Yuanyuan Li
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China
| | - Yanping Sun
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China.,Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang, China.,State Key Laboratory Breeding Base-Hebei Province Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, China
| | - Long Wang
- Department of Family and Consumer Sciences, California State University, Long Beach, USA
| | - Jing Ha
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China
| | - Yinghua Xie
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China
| | - Zibin Gao
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China.,Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang, China.,State Key Laboratory Breeding Base-Hebei Province Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, China
| | - Changzheng Tian
- Department of Anesthesiology, The First Hospital of Hebei Medical University, Donggang Road 89, Shijiazhuang, 050000, Hebei, China.
| | - Le Wang
- Department of Pharmaceutical Engineering, Hebei Chemical & Pharmaceutical College, Fangxing Road 88, Shijiazhuang, 050026, Hebei, China. .,Hebei Technological Innovation Center of Chiral Medicine, Shijiazhuang, China.
| | - Yongjun Sun
- Department of Pharmacy, Hebei University of Science and Technology, Yuhua East Road 70, Shijiazhuang, 050018, Hebei, China. .,Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang, China. .,State Key Laboratory Breeding Base-Hebei Province Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, China.
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11
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Zhang W, Chen X, Du Z, Mao X, Gao R, Chen Z, Wang H, Zhang G, Zhang N, Li H, Song Y, Chang L, Wu Y. Knockdown of astrocytic Grin2a exacerbated sleep deprivation-induced cognitive impairments and elevation of amyloid-beta. Sleep Med 2022; 100:280-290. [PMID: 36148760 DOI: 10.1016/j.sleep.2022.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/19/2022] [Accepted: 08/25/2022] [Indexed: 01/12/2023]
Abstract
Sleep disorders are associated with cognitive impairments, greater amyloid-β (Aβ) burden and increased risk of developing Alzheimer's disease, while the underlying mechanism is unclear. N-methyl-d-aspartate receptors (NMDARs), as vital modulators of cognition, are sensitive to sleep disturbance. Sleep deprivation (SD) could induce the alterations of neuronal NMDAR subunits expression, however the alterations of astrocytic NMDARs in SD have not been reported. Our previous study has demonstrated knockdown of astrocytic Grin2a (gene encoding NMDAR subunit GluN2A) could aggravate Aβ-induced cognitive impairments, but what role astrocytic GluN2A may play in SD is unknown. Here we focused on the changes and roles of hippocampal astrocytic GluN2A in SD. Our results showed SD increased the expression of astrocytic GluN2A. Specific knockdown of hippocampal astrocytic Grin2a aggravated SD-induced cognitive decline, elevated Aβ, and attenuated the SD-induced increase in autophagy flux. Our finding, for the first time, revealed a novel neuroprotective role for astrocytic GluN2A in SD, which may be helpful for developing new preventive and therapeutic targets to sleep disorders.
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Affiliation(s)
- Wanning Zhang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Xinyue Chen
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Zunshu Du
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Xin Mao
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ruiqi Gao
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ziyan Chen
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Hongqi Wang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Guitao Zhang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ning Zhang
- Department of Neuropsychiatry and Behavioral Neurology and Clinical Psychology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hui Li
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Yizhi Song
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Lirong Chang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China.
| | - Yan Wu
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China.
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12
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Zhang Y, Gao X, Bai X, Yao S, Chang YZ, Gao G. The emerging role of furin in neurodegenerative and neuropsychiatric diseases. Transl Neurodegener 2022; 11:39. [PMID: 35996194 PMCID: PMC9395820 DOI: 10.1186/s40035-022-00313-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/10/2022] [Indexed: 12/02/2022] Open
Abstract
Furin is an important mammalian proprotein convertase that catalyzes the proteolytic maturation of a variety of prohormones and proproteins in the secretory pathway. In the brain, the substrates of furin include the proproteins of growth factors, receptors and enzymes. Emerging evidence, such as reduced FURIN mRNA expression in the brains of Alzheimer's disease patients or schizophrenia patients, has implicated a crucial role of furin in the pathophysiology of neurodegenerative and neuropsychiatric diseases. Currently, compared to cancer and infectious diseases, the aberrant expression of furin and its pharmaceutical potentials in neurological diseases remain poorly understood. In this article, we provide an overview on the physiological roles of furin and its substrates in the brain, summarize the deregulation of furin expression and its effects in neurodegenerative and neuropsychiatric disorders, and discuss the implications and current approaches that target furin for therapeutic interventions. This review may expedite future studies to clarify the molecular mechanisms of furin deregulation and involvement in the pathogenesis of neurodegenerative and neuropsychiatric diseases, and to develop new diagnosis and treatment strategies for these diseases.
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Affiliation(s)
- Yi Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Xiaoqin Gao
- Shijiazhuang People's Hospital, Hebei Medical University, Shijiazhuang, 050027, China
| | - Xue Bai
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Shanshan Yao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Yan-Zhong Chang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
| | - Guofen Gao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
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13
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Kumari A, Rahaman A, Zeng XA, Farooq MA, Huang Y, Yao R, Ali M, Ishrat R, Ali R. Temporal Cortex Microarray Analysis Revealed Impaired Ribosomal Biogenesis and Hyperactivity of the Glutamatergic System: An Early Signature of Asymptomatic Alzheimer's Disease. Front Neurosci 2022; 16:966877. [PMID: 35958988 PMCID: PMC9359077 DOI: 10.3389/fnins.2022.966877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 06/23/2022] [Indexed: 11/21/2022] Open
Abstract
Pathogenic aging is regarded as asymptomatic AD when there is no cognitive deficit except for neuropathology consistent with Alzheimer's disease. These individuals are highly susceptible to developing AD. Braak and Braak's theory specific to tau pathology illustrates that the brain's temporal cortex region is an initiation site for early AD progression. So, the hub gene analysis of this region may reveal early altered biological cascades that may be helpful to alleviate AD in an early stage. Meanwhile, cognitive processing also drags its attention because cognitive impairment is the ultimate result of AD. Therefore, this study aimed to explore changes in gene expression of aged control, asymptomatic AD (AsymAD), and symptomatic AD (symAD) in the temporal cortex region. We used microarray data sets to identify differentially expressed genes (DEGs) with the help of the R programming interface. Further, we constructed the protein-protein interaction (PPI) network by performing the STRING plugin in Cytoscape and determined the hub genes via the CytoHubba plugin. Furthermore, we conducted Gene Ontology (GO) enrichment analysis via Bioconductor's cluster profile package. Resultant, the AsymAD transcriptome revealed the early-stage changes of glutamatergic hyperexcitability. Whereas the connectivity of major hub genes in this network indicates a shift from initially reduced rRNA biosynthesis in the AsymAD group to impaired protein synthesis in the symAD group. Both share the phenomenon of breaking tight junctions and others. In conclusion, this study offers new understandings of the early biological vicissitudes that occur in the brain before the manifestation of symAD and gives new promising therapeutic targets for early AD intervention.
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Affiliation(s)
- Ankita Kumari
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Food Intelligent Manufacturing, Foshan University, Foshan, China
- Overseas Expertise Introduction Centre for Discipline Innovation of Food Nutrition and Human Health (111 Centre), Guangzhou, China
| | - Abdul Rahaman
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Food Intelligent Manufacturing, Foshan University, Foshan, China
- Overseas Expertise Introduction Centre for Discipline Innovation of Food Nutrition and Human Health (111 Centre), Guangzhou, China
- Abdul Rahaman
| | - Xin-An Zeng
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Food Intelligent Manufacturing, Foshan University, Foshan, China
- Overseas Expertise Introduction Centre for Discipline Innovation of Food Nutrition and Human Health (111 Centre), Guangzhou, China
- *Correspondence: Xin-An Zeng
| | - Muhammad Adil Farooq
- Institute of Food Science and Technology, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Pakistan
| | - Yanyan Huang
- Guangdong Key Laboratory of Food Intelligent Manufacturing, Foshan University, Foshan, China
| | - Runyu Yao
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Overseas Expertise Introduction Centre for Discipline Innovation of Food Nutrition and Human Health (111 Centre), Guangzhou, China
| | - Murtaza Ali
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Food Intelligent Manufacturing, Foshan University, Foshan, China
- Overseas Expertise Introduction Centre for Discipline Innovation of Food Nutrition and Human Health (111 Centre), Guangzhou, China
| | - Romana Ishrat
- Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
- Romana Ishrat
| | - Rafat Ali
- Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
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14
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Hulshof LA, van Nuijs D, Hol EM, Middeldorp J. The Role of Astrocytes in Synapse Loss in Alzheimer's Disease: A Systematic Review. Front Cell Neurosci 2022; 16:899251. [PMID: 35783099 PMCID: PMC9244621 DOI: 10.3389/fncel.2022.899251] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/23/2022] [Indexed: 11/25/2022] Open
Abstract
Alzheimer's disease (AD) is the most common cause of dementia, affecting 35 million people worldwide. One pathological feature of progressing AD is the loss of synapses. This is the strongest correlate of cognitive decline. Astrocytes, as an essential part of the tripartite synapse, play a role in synapse formation, maintenance, and elimination. During AD, astrocytes get a reactive phenotype with an altered gene expression profile and changed function compared to healthy astrocytes. This process likely affects their interaction with synapses. This systematic review aims to provide an overview of the scientific literature including information on how astrocytes affect synapse formation and elimination in the brain of AD patients and in animal models of the disease. We review molecular and cellular changes in AD astrocytes and conclude that these predominantly result in lower synapse numbers, indicative of decreased synapse support or even synaptotoxicity, or increased elimination, resulting in synapse loss, and consequential cognitive decline, as associated with AD. Preventing AD induced changes in astrocytes might therefore be a potential therapeutic target for dementia. Systematic Review Registration:https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=148278, identifier [CRD148278].
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Affiliation(s)
- Lianne A. Hulshof
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, Netherlands
| | - Danny van Nuijs
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, Netherlands
| | - Elly M. Hol
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, Netherlands
| | - Jinte Middeldorp
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, Netherlands
- Department Neurobiology and Aging, Biomedical Primate Research Centre, Rijswijk, Netherlands
- *Correspondence: Jinte Middeldorp
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15
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Wang YL, Chio CC, Kuo SC, Yeh CH, Ma JT, Liu WP, Lin MT, Lin KC, Chang CP. Exercise Rehabilitation and/or Astragaloside Attenuate Amyloid-beta Pathology by Reversing BDNF/TrkB Signaling Deficits and Mitochondrial Dysfunction. Mol Neurobiol 2022; 59:3091-3109. [PMID: 35262870 DOI: 10.1007/s12035-022-02728-3] [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: 09/07/2021] [Accepted: 01/03/2022] [Indexed: 12/13/2022]
Abstract
We aim to investigate the mechanisms underlying the beneficial effects of exercise rehabilitation (ER) and/or astragaloside (AST) in counteracting amyloid-beta (Aβ) pathology. Aβ oligomers were microinjected into the bilateral ventricles to induce Aβ neuropathology in rats. Neurobehavioral functions were evaluated. Cortical and hippocampal expressions of both BDNF/TrkB and cathepsin D were determined by the western blotting method. The rat primary cultured cortical neurons were incubated with BDNF and/or AST and ANA12 followed by exposure to aggregated Aβ for 24 h. In vivo results showed that ER and/or AST reversed neurobehavioral disorders, downregulation of cortical and hippocampal expression of both BDNF/TrkB and cathepsin D, neural pathology, Aβ accumulation, and altered microglial polarization caused by Aβ. In vitro studies also confirmed that topical application of BDNF and/or AST reversed the Aβ-induced cytotoxicity, apoptosis, mitochondrial distress, and synaptotoxicity and decreased expression of p-TrkB, p-Akt, p-GSK3β, and β-catenin in rat cortical neurons. The beneficial effects of combined ER (or BDNF) and AST therapy in vivo and in vitro were superior to ER (or BDNF) or AST alone. Furthermore, we observed that any gains from ER (or BDNF) and/or AST could be significantly eliminated by ANA-12, a potent BDNF/TrkB antagonist. These results indicate that whereas ER (or BDNF) and/or AST attenuate Aβ pathology by reversing BDNF/TrkB signaling deficits and mitochondrial dysfunction, combining these two potentiates each other's therapeutic effects. In particular, AST can be an alternative therapy to replace ER.
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Affiliation(s)
- Yu-Ling Wang
- Department of Physical Medicine and Rehabilitation, Chi-Mei Medical Center, Tainan, Taiwan.,Center for General Education, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Chung-Ching Chio
- Division of Neurosurgery, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Shu-Chun Kuo
- Department of Ophthalmology, Chi Mei Medical Center, Tainan, Taiwan.,Department of Optometry, Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Chao-Hung Yeh
- Division of Neurosurgery, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan.,Department of Optometry, Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Jui-Ti Ma
- Department of Medical Research, Chi Mei Medical Center, No. 901, Zhonghua Rd, Yongkang District, Tainan City 710, Taiwan
| | - Wen-Pin Liu
- Department of Medical Research, Chi Mei Medical Center, No. 901, Zhonghua Rd, Yongkang District, Tainan City 710, Taiwan
| | - Mao-Tsun Lin
- Department of Medical Research, Chi Mei Medical Center, No. 901, Zhonghua Rd, Yongkang District, Tainan City 710, Taiwan
| | - Kao-Chang Lin
- Department of Holistic Care, Chi Mei Medical Center, No. 901, Zhonghua Rd, Yongkang District, Tainan City 710, Taiwan. .,Department of Neurology, Chi Mei Medical Center, Tainan, Taiwan.
| | - Ching-Ping Chang
- Department of Medical Research, Chi Mei Medical Center, No. 901, Zhonghua Rd, Yongkang District, Tainan City 710, Taiwan.
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16
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Chen S, Xu D, Fan L, Fang Z, Wang X, Li M. Roles of N-Methyl-D-Aspartate Receptors (NMDARs) in Epilepsy. Front Mol Neurosci 2022; 14:797253. [PMID: 35069111 PMCID: PMC8780133 DOI: 10.3389/fnmol.2021.797253] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022] Open
Abstract
Epilepsy is one of the most common neurological disorders characterized by recurrent seizures. The mechanism of epilepsy remains unclear and previous studies suggest that N-methyl-D-aspartate receptors (NMDARs) play an important role in abnormal discharges, nerve conduction, neuron injury and inflammation, thereby they may participate in epileptogenesis. NMDARs belong to a family of ionotropic glutamate receptors that play essential roles in excitatory neurotransmission and synaptic plasticity in the mammalian CNS. Despite numerous studies focusing on the role of NMDAR in epilepsy, the relationship appeared to be elusive. In this article, we reviewed the regulation of NMDAR and possible mechanisms of NMDAR in epilepsy and in respect of onset, development, and treatment, trying to provide more evidence for future studies.
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Affiliation(s)
| | | | | | | | | | - Man Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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17
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Du Z, Song Y, Chen X, Zhang W, Zhang G, Li H, Chang L, Wu Y. Knockdown of astrocytic Grin2a aggravates β-amyloid-induced memory and cognitive deficits through regulating nerve growth factor. Aging Cell 2021; 20:e13437. [PMID: 34291567 PMCID: PMC8373273 DOI: 10.1111/acel.13437] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/14/2021] [Accepted: 07/03/2021] [Indexed: 12/14/2022] Open
Abstract
Synapse degeneration correlates strongly with cognitive impairments in Alzheimer's disease (AD) patients. Soluble Amyloid-beta (Aβ) oligomers are thought as the major trigger of synaptic malfunctions. Our earlier studies have demonstrated that Aβ oligomers interfere with synaptic function through N-methyl-D-aspartate receptors (NMDARs). Our recent in vitro study found the neuroprotective role of astrocytic GluN2A in the promotion of synapse survival and identified nerve growth factor (NGF) derived from astrocytes, as a likely mediator of astrocytic GluN2A buffering against Aβ synaptotoxicity. Our present in vivo study focused on exploring the precise mechanism of astrocytic GluN2A influencing Aβ synaptotoxicity through regulating NGF. We generated an adeno-associated virus (AAV) expressing an astrocytic promoter (GfaABC1D) shRNA targeted to Grin2a (the gene encoding GluN2A) to perform astrocyte-specific Grin2a knockdown in the hippocampal dentate gyrus, after 3 weeks of virus vector expression, Aβ were bilaterally injected into the intracerebral ventricle. Our results showed that astrocyte-specific knockdown of Grin2a and Aβ application both significantly impaired spatial memory and cognition, which associated with the reduced synaptic proteins PSD95, synaptophysin and compensatory increased NGF. The reduced astrocytic GluN2A can counteract Aβ-induced compensatory protective increase of NGF through regulating pNF-κB, Furin and VAMP3, which modulating the synthesis, mature and secretion of NGF respectively. Our present data reveal, for the first time, a novel mechanism of astrocytic GluN2A in exerting protective effects on synapses at the early stage of Aβ exposure, which may contribute to establish new targets for AD prevention and early therapy.
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Affiliation(s)
- Zunshu Du
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Yizhi Song
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Xinyue Chen
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Wanning Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Guitao Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Hui Li
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Lirong Chang
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
| | - Yan Wu
- Beijing Key Laboratory of Neural Regeneration and Repair Department of Anatomy School of Basic Medical Sciences Beijing Institute of Brain Disorders Capital Medical University Beijing China
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