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Yang K, Yan Y, Yu A, Zhang R, Zhang Y, Qiu Z, Li Z, Zhang Q, Wu S, Li F. Mitophagy in neurodegenerative disease pathogenesis. Neural Regen Res 2024; 19:998-1005. [PMID: 37862201 PMCID: PMC10749592 DOI: 10.4103/1673-5374.385281] [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: 03/14/2023] [Revised: 05/23/2023] [Accepted: 08/15/2023] [Indexed: 10/22/2023] Open
Abstract
Mitochondria are critical cellular energy resources and are central to the life of the neuron. Mitophagy selectively clears damaged or dysfunctional mitochondria through autophagic machinery to maintain mitochondrial quality control and homeostasis. Mature neurons are postmitotic and consume substantial energy, thus require highly efficient mitophagy pathways to turn over damaged or dysfunctional mitochondria. Recent evidence indicates that mitophagy is pivotal to the pathogenesis of neurological diseases. However, more work is needed to study mitophagy pathway components as potential therapeutic targets. In this review, we briefly discuss the characteristics of nonselective autophagy and selective autophagy, including ERphagy, aggrephagy, and mitophagy. We then introduce the mechanisms of Parkin-dependent and Parkin-independent mitophagy pathways under physiological conditions. Next, we summarize the diverse repertoire of mitochondrial membrane receptors and phospholipids that mediate mitophagy. Importantly, we review the critical role of mitophagy in the pathogenesis of neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. Last, we discuss recent studies considering mitophagy as a potential therapeutic target for treating neurodegenerative diseases. Together, our review may provide novel views to better understand the roles of mitophagy in neurodegenerative disease pathogenesis.
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Affiliation(s)
- Kan Yang
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Excellence in Brain Science and Intelligence Technology, Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Key Laboratory of Primate Neurobiology, Chinese Academy of Sciences, Shanghai, China
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Yuqing Yan
- School of Medicine, Yunnan University, Kunming, Yunnan Province, China
| | - Anni Yu
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Ru Zhang
- College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, Hunan Province, China
| | - Yuefang Zhang
- Songjiang Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zilong Qiu
- Songjiang Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengyi Li
- Neurosurgery Department, Kunming Yenan Hospital, Kunming, Yunnan Province, China
| | - Qianlong Zhang
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shihao Wu
- School of Medicine, Yunnan University, Kunming, Yunnan Province, China
| | - Fei Li
- Department of Developmental and Behavioural Pediatric & Child Primary Care, Brain and Behavioural Research Unit of Shanghai Institute for Pediatric Research and MOE-Shanghai Key Laboratory for Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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2
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Cadoni MPL, Coradduzza D, Congiargiu A, Sedda S, Zinellu A, Medici S, Nivoli AM, Carru C. Platelet Dynamics in Neurodegenerative Disorders: Investigating the Role of Platelets in Neurological Pathology. J Clin Med 2024; 13:2102. [PMID: 38610867 PMCID: PMC11012481 DOI: 10.3390/jcm13072102] [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: 02/10/2024] [Revised: 03/15/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
Background: Neurological disorders, particularly those associated with aging, pose significant challenges in early diagnosis and treatment. The identification of specific biomarkers, such as platelets (PLTs), has emerged as a promising strategy for early detection and intervention in neurological health. This systematic review aims to explore the intricate relationship between PLT dynamics and neurological health, focusing on their potential role in cognitive functions and the pathogenesis of cognitive disorders. Methods: Adhering to PRISMA guidelines, a comprehensive search strategy was employed in the PubMed and Scholar databases to identify studies on the role of PLTs in neurological disorders published from 2013 to 2023. The search criteria included studies focusing on PLTs as biomarkers in neurological disorders, their dynamics, and their potential in monitoring disease progression and therapy effectiveness. Results: The systematic review included 104 studies, revealing PLTs as crucial biomarkers in neurocognitive disorders, acting as inflammatory mediators. The findings suggest that PLTs share common features with altered neurons, which could be utilised for monitoring disease progression and evaluating the effectiveness of treatments. PLTs are identified as significant biomarkers for detecting neurological disorders in their early stages and understanding the pathological events leading to neuronal death. Conclusions: The systematic review underscores the critical role of PLTs in neurological disorders, highlighting their potential as biomarkers for the early detection and monitoring of disease progression. However, it also emphasises the need for further research to solidify the use of PLTs in neurological disorders, aiming to enhance early diagnosis and intervention strategies.
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Affiliation(s)
| | | | | | - Stefania Sedda
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
| | - Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
| | - Serenella Medici
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, Italy
| | - Alessandra Matilde Nivoli
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100 Sassari, Italy
- Psychiatric Unit Clinic of the University Hospital, 07100 Sassari, Italy
| | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
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3
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Elseweidy MM, Mahrous M, Ali SI, Shaheen MA, Younis NN. Pentoxifylline as Add-On Treatment to Donepezil in Copper Sulphate-Induced Alzheimer's Disease-Like Neurodegeneration in Rats. Neurotox Res 2023; 41:546-558. [PMID: 37821782 PMCID: PMC10682165 DOI: 10.1007/s12640-023-00672-1] [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: 12/02/2022] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023]
Abstract
Alzheimer's disease (AD), the most common neurodegenerative disorder, is characterized by behavioral, cognitive, and progressive memory impairments. Extensive neuronal loss, extracellular accumulation of insoluble senile amyloid-β (Aβ) plaques, and intracellular neurofibrillary tangles (NFTs) are the major pathological features. The present study aimed to investigate the therapeutic effect of donepezil (DON) and pentoxifylline (PTX) in combination to combat the neurodegenerative disorders (experimental AD) induced by CuSO4 intake in experimental rats. Thirty adult male Wistar rats (140-160 g) were used in this study. AD was first induced in rats by CuSO4 supplement to drinking water (10 mg/L) for 14 weeks. The AD group received no further treatment. Oral treatment with DON (10 mg/kg/day), PTX (100 mg/kg/day), or DON + PTX for the other three groups was started from the 10th week of CuSO4 intake for 4 weeks. Cortex markers like acetylcholine (ACh), acetylcholinesterase (AChE), total antioxidant capacity (TAC), and malondialdehyde (MDA) and hippocampus markers like β-amyloid precursor protein cleaving enzyme 1 (BACE1), phosphorylated Tau (p-tau), Clusterin (CLU), tumor necrosis factor-α (TNF-α), caspase-9 (CAS-9), Bax, and Bcl-2 were measured. The histopathology studies were done by using hematoxylin and eosin and Congo red stains as well as immunohistochemistry for neurofilament. CuSO4 induced adverse histological and biochemical changes. The histological injury in the hippocampus was inhibited following the administration of the DON and PTX. The brain tissue levels of AChE, MDA, BACE1, p-tau, CLU, CAS-9, Bax, and TNF-α were significantly increased, while brain tissue levels of ACh, TAC, and Bcl-2 were significantly decreased in CuSO4-treated rats as compared with the untreated control group. The effects induced by either DON or PTX on most studied parameters were comparable. Combined treatment of DON and PTX induced remarkable results compared with their individual use. However, more clinical and preclinical studies are still required to further confirm and prove the long-term efficacy of such combination.
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Affiliation(s)
- Mohamed M Elseweidy
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Mohamed Mahrous
- Department of Biochemistry, Faculty of Pharmacy, Port-Said University, Port-Said, 42526, Egypt
| | - Sousou I Ali
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Mohamed A Shaheen
- Department of Histology and Cell Biology, Faculty of Human Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Nahla N Younis
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
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4
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Nabil M, Kassem DH, Ali AA, El-Mesallamy HO. Adipose tissue-derived mesenchymal stem cells ameliorate cognitive impairment in Alzheimer's disease rat model: Emerging role of SIRT1. Biofactors 2023; 49:1121-1142. [PMID: 37323056 DOI: 10.1002/biof.1982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 05/30/2023] [Indexed: 06/17/2023]
Abstract
Alzheimer's disease (AD) is a complex form of neurodegenerative dementia. Growing body of evidence supports the cardinal role of sirtuin1 (SIRT1) in neurodegeneration and AD development. Recently, adipose tissue-derived mesenchymal stem cells (Ad-MSCs) have made their mark for a wide array of regenerative medicine applications, including neurodegenerative disorders. Therefore, the present study aimed to investigate the therapeutic potential of Ad-MSCs in AD rat model, and to explore the possible implication of SIRT1. Ad-MSCs were isolated from rat epididymal fat pads and properly characterized. Aluminum chloride was used to induce AD in rats, and afterward, a group of AD-induced rats received a single dose of Ad-MSCs (2 × 106 cell, I.V per rat). One month after Ad-MSCs transplantation, behavioral tests were done, brain tissues were collected, then histopathological and biochemical assessments were performed. Amyloid beta and SIRT1 levels were determined by enzyme-linked immunosorbent assay. Whereas expression levels of neprilysin, BCL2 associated X protein, B-cell lymphoma-2, interleukin-1β, interleukin-6, and nerve growth factor in hippocampus and frontal cortex brain tissues were assessed using reverse transcriptase quantitative polymerase chain reaction. Our data demonstrated that transplantation of Ad-MSCs alleviated cognitive impairment in AD rats. Additionally, they exhibited anti-amyloidogenic, antiapoptotic, anti-inflammatory, as well as neurogenic effects. Furthermore, Ad-MSCs were found to possibly mediate their therapeutic effects, at least partially, via modulating both central and systemic SIRT1 levels. Hence, the current study portrays Ad-MSCs as an effective therapeutic approach for AD management and opens the door for future investigations to further elucidate the role of SIRT1 and its interrelated molecular mediators in AD.
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Affiliation(s)
- Mohamed Nabil
- Department of Biochemistry, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Dina H Kassem
- Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Azza A Ali
- Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Hala O El-Mesallamy
- Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
- Faculty of Pharmacy, Sinai University, Sinai, Egypt
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5
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Alpha7 nicotinic acetylcholine receptor agonist PHA-543613 improves memory deficits in presenilin 1 and presenilin 2 conditional double knockout mice. Exp Neurol 2023; 359:114271. [PMID: 36370840 DOI: 10.1016/j.expneurol.2022.114271] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/18/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022]
Abstract
Cholinergic system dysfunction has been considered as a critical feature of neurodegenerative progression in Alzheimer's disease (AD). The α7 nicotinic acetylcholine receptors (α7-nAChRs) are widely expressed in the hippocampus cortex and play an important role in memory formation, considered as potential therapeutic agents targets. However, underlying mechanisms have not been fully elucidated. Here, we combine behavioral, molecular biological methods with in vitro slice and in vivo multichannel electrophysiological recording techniques to investigate the molecular, cellular synaptic and neuronal mechanisms of activating α7-nAChR by PHA-543613 (a selective α7-nAChR agonist), which influences the impaired cognitive function using presenilin 1 (PS1) and presenilin 2 (PS2) conditional double knockout (cDKO) mice. Our results demonstrated that PHA-543613 treatment significantly improved the impaired hippocampus-related memory via recovering the reduced the hippocampal synaptic protein levels of α7-nAChR, NMADAR and AMPAR, thereby restoring the impaired post-tetanic potentiation (PTP), long-term potentiation (LTP), activation of molecular signaling pathway for neuronal protection, theta power and strength of theta-gamma phase-amplitude coupling (PAC) at hippocampus in 6-month-old cDKO mice. For the first time, we systematically reveal the mechanisms by which PHA-543613 improves memory deficits at different levels. Therefore, our findings may be significant for the development of therapeutic strategies for AD.
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6
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Dai S, Zhou F, Sun J, Li Y. NPD1 Enhances Autophagy and Reduces Hyperphosphorylated Tau and Amyloid-β42 by Inhibiting GSK3β Activation in N2a/APP695swe Cells. J Alzheimers Dis 2021; 84:869-881. [PMID: 34602482 DOI: 10.3233/jad-210729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND The most prevalent kind of dementia, Alzheimer's disease (AD), is a neurodegenerative disease. Previous research has shown that glycogen synthase kinase-3β (GSK-3β) is involved in the etiology and progression of AD, including amyloid-β (Aβ), phosphorylated tau, and mitochondrial dysfunction. NPD1 has been shown to serve a neuroprotective function in AD, although the mechanism is unclear. OBJECTIVE The effects of NPD1 on Aβ expression levels, tau protein phosphorylation, apoptosis ratio, autophagy activity, and GSK-3β activity in N2a/APP695swe cells (AD cell model) were studied, as well as the mechanism behind such effects. METHODS N2a/APP695swe cells were treated with NPD1, SB216763, or wortmannin as an AD cell model. The associated proteins of hyperphosphorylated tau and autophagy, as well as the activation of GSK3β, were detected using western blot and RT-PCR. Flow cytometry was utilized to analyze apoptosis and ELISA was employed to observe Aβ42. Images of autophagy in cells are captured using transmission electron microscopy. RESULTS In N2a/APP695swe cells, NPD1 decreased Aβ42 and hyperphosphorylated tau while suppressing cell death. NPD1 also promoted autophagy while suppressing GSK-3β activation in N2a/APP695swe cells. The outcome of inhibiting GSK-3β is comparable to that of NPD1 therapy. However, after activating GSK-3β, the opposite experimental results were achieved. CONCLUSION NPD1 might minimize cell apoptosis, downregulate Aβ expression, control tau hyperphosphorylation, and enhance autophagy activity in AD cell models to promote neuronal survival. NPD1's neuroprotective effects may be mediated via decreasing GSK-3β.
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Affiliation(s)
- Songyang Dai
- Institute of Neuroscience, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Fanlin Zhou
- Department of Pathology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China.,Institute of Neuroscience, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Jieyun Sun
- Institute of Neuroscience, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Yu Li
- Department of Pathology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China.,Institute of Neuroscience, School of Basic Medicine, Chongqing Medical University, Chongqing, China
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7
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Zhang L, Qian Y, Li J, Zhou X, Xu H, Yan J, Xiang J, Yuan X, Sun B, Sisodia SS, Jiang YH, Cao X, Jing N, Lin A. BAD-mediated neuronal apoptosis and neuroinflammation contribute to Alzheimer's disease pathology. iScience 2021; 24:102942. [PMID: 34430820 PMCID: PMC8369003 DOI: 10.1016/j.isci.2021.102942] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/07/2021] [Accepted: 07/30/2021] [Indexed: 11/19/2022] Open
Abstract
Alzheimer's disease (AD) is the most common progressive neurodegenerative disease. However, the underlying molecular mechanism is incompletely understood. Here we report that the pro-apoptotic protein BAD as a key regulator for neuronal apoptosis, neuroinflammation and Aβ clearance in AD. BAD pro-apoptotic activity is significantly increased in neurons of AD patients and 5XFAD mice. Conversely, genetic disruption of Bad alleles restores spatial learning and memory deficits in 5XFAD mice. Mechanistically, phosphorylation and inactivation of BAD by neurotropic factor-activated Akt is abrogated in neurons under AD condition. Through reactive oxygen species (ROS)-oxidized mitochondrial DNA (mtDNA) axis, BAD also promotes microglial NLRP3 inflammasome activation, thereby skewing microglia toward neuroinflammatory microglia to inhibit microglial phagocytosis of Aβ in AD mice. Our results support a model in which BAD contributes to AD pathologies by driving neuronal apoptosis and neuroinflammation but suppressing microglial phagocytosis of Aβ, suggesting that BAD is a potential therapeutic target for AD.
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Affiliation(s)
- Liansheng Zhang
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
- Institute of Modern Biology, Nanjing University, Nanjing 210023, China
- Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA
| | - Yun Qian
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Jie Li
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
- Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Xuan Zhou
- Key Laboratory of Brain Functional Genomics, Ministry of Education, School of Life Sciences, East China Normal University, Shanghai 200062, China
| | - He Xu
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jie Yan
- The Second Affiliated Hospital, The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allery & Clinical Immunology, Guangzhou Medical University, Guangzhou, Guangdong 510260, China
| | - Jialing Xiang
- Department of Biological and Chemical Sciences, Illinois Institute of Technology, Chicago, IL 60616, USA
| | - Xiang Yuan
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
- Institute of Modern Biology, Nanjing University, Nanjing 210023, China
- Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA
| | - Beicheng Sun
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
| | - Sangram S. Sisodia
- Department of Neurobiology, The University of Chicago, Chicago, IL 60637, USA
- The Microbiome Center, The University of Chicago, Chicago, IL 60637, USA
| | - Yong-Hui Jiang
- Department of Pediatrics and Neurobiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaohua Cao
- Key Laboratory of Brain Functional Genomics, Ministry of Education, School of Life Sciences, East China Normal University, Shanghai 200062, China
| | - Naihe Jing
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
- CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
- Center of Cell Lineage and Atlas, Guangzhou Regenerative Medicine and Health Guangdong Laboratory (GRMH-GDL), Guangzhou 510005, China
- Corresponding author
| | - Anning Lin
- Institute of Modern Biology, Nanjing University, Nanjing 210023, China
- Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA
- Department of Neurobiology, The University of Chicago, Chicago, IL 60637, USA
- Grossman Institute for Neuroscience, Quantitative Biology, and Haman Behavior, The University of Chicago, Chicago, IL 60637, USA
- Corresponding author
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8
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Platelet miRNA Biosignature Discriminates between Dementia with Lewy Bodies and Alzheimer's Disease. Biomedicines 2021; 9:biomedicines9091272. [PMID: 34572457 PMCID: PMC8466211 DOI: 10.3390/biomedicines9091272] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 12/26/2022] Open
Abstract
Dementia with Lewy bodies (DLB) is one of the most common causes of degenerative dementia, after Alzheimer's disease (AD), and presents pathological and clinical overlap with both AD and Parkinson's disease (PD). Consequently, only one in three DLB cases is diagnosed correctly. Platelets, previously related to neurodegeneration, contain microRNAs (miRNAs) whose analysis may provide disease biomarkers. Here, we profiled the whole platelet miRNA transcriptome from DLB patients and healthy controls. Differentially expressed miRNAs were further validated in three consecutive studies from 2017 to 2019 enrolling 162 individuals, including DLB, AD, and PD patients, and healthy controls. Results comprised a seven-miRNA biosignature, showing the highest diagnostic potential for the differentiation between DLB and AD. Additionally, compared to controls, two miRNAs were down-regulated in DLB, four miRNAs were up-regulated in AD, and two miRNAs were down-regulated in PD. Predictive target analysis identified three disease-specific clusters of pathways as a result of platelet-miRNA deregulation. Our cross-sectional study assesses the identification of a novel, highly specific and sensitive platelet-associated miRNA-based biosignature, which distinguishes DLB from AD.
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9
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Du Preez A, Lefèvre-Arbogast S, Houghton V, de Lucia C, Low DY, Helmer C, Féart C, Delcourt C, Proust-Lima C, Pallàs M, Ruigrok SR, Altendorfer B, González-Domínguez R, Sánchez-Pla A, Urpi-Sardà M, Andres-Lacueva C, Aigner L, Lucassen PJ, Korosi A, Manach C, Samieri C, Thuret S. The serum metabolome mediates the concert of diet, exercise, and neurogenesis, determining the risk for cognitive decline and dementia. Alzheimers Dement 2021; 18:654-675. [PMID: 34402599 DOI: 10.1002/alz.12428] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 06/12/2021] [Accepted: 06/14/2021] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Diet and exercise influence the risk of cognitive decline (CD) and dementia through the food metabolome and exercise-triggered endogenous factors, which use the blood as a vehicle to communicate with the brain. These factors might act in concert with hippocampal neurogenesis (HN) to shape CD and dementia. METHODS Using an in vitro neurogenesis assay, we examined the effects of serum samples from a longitudinal cohort (n = 418) on proxy HN readouts and their association with future CD and dementia across a 12-year period. RESULTS Altered apoptosis and reduced hippocampal progenitor cell integrity were associated with exercise and diet and predicted subsequent CD and dementia. The effects of exercise and diet on CD specifically were mediated by apoptosis. DISCUSSION Diet and exercise might influence neurogenesis long before the onset of CD and dementia. Alterations in HN could signify the start of the pathological process and potentially represent biomarkers for CD and dementia.
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Affiliation(s)
- Andrea Du Preez
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Sophie Lefèvre-Arbogast
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Vikki Houghton
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Chiara de Lucia
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Dorrain Y Low
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Catherine Helmer
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Catherine Féart
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Cécile Delcourt
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Cécile Proust-Lima
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Silvie R Ruigrok
- Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, The Netherlands
| | - Barbara Altendorfer
- Institute of Molecular Regenerative Medicine, Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University, Austria
| | - Raúl González-Domínguez
- Nutrition, Food Science and Gastronomy Department, Pharmacy and Food Science, University of Barcelona, Spain.,CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Alex Sánchez-Pla
- Nutrition, Food Science and Gastronomy Department, Pharmacy and Food Science, University of Barcelona, Spain.,CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Mireia Urpi-Sardà
- Nutrition, Food Science and Gastronomy Department, Pharmacy and Food Science, University of Barcelona, Spain.,CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Cristina Andres-Lacueva
- Nutrition, Food Science and Gastronomy Department, Pharmacy and Food Science, University of Barcelona, Spain.,CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Ludwig Aigner
- Institute of Molecular Regenerative Medicine, Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University, Austria
| | - Paul J Lucassen
- Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, The Netherlands
| | - Aniko Korosi
- Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, The Netherlands
| | - Claudine Manach
- Université Clermont Auvergne, INRA, UMR1019, Human Nutrition Unit, France
| | - Cécilia Samieri
- University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Sandrine Thuret
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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10
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Avrutsky MI, Troy CM. Caspase-9: A Multimodal Therapeutic Target With Diverse Cellular Expression in Human Disease. Front Pharmacol 2021; 12:701301. [PMID: 34305609 PMCID: PMC8299054 DOI: 10.3389/fphar.2021.701301] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/28/2021] [Indexed: 11/22/2022] Open
Abstract
Caspase-9, a cysteine-aspartic protease known for its role as an initiator of intrinsic apoptosis, regulates physiological cell death and pathological tissue degeneration. Its nonapoptotic functions, including regulation of cellular differentiation/maturation, innate immunity, mitochondrial homeostasis, and autophagy, reveal a multimodal landscape of caspase-9 functions in health and disease. Recent work has demonstrated that caspase-9 can drive neurovascular injury through nonapoptotic endothelial cell dysfunction. CASP9 polymorphisms have been linked with various cancers, neurological disorders, autoimmune pathologies and lumbar disc disease. Clinical reports suggest alterations in caspase-9 expression, activity or function may be associated with acute and chronic neurodegeneration, retinal neuropathy, slow-channel myasthenic syndrome, lumbar disc disease, cardiomyopathies, atherosclerosis and autoimmune disease. Healthy tissues maintain caspase-9 activity at low basal levels, rendering supraphysiological caspase-9 activation a tractable target for therapeutic interventions. Strategies for selective inhibition of caspase-9 include dominant negative caspase-9 mutants and pharmacological inhibitors derived from the XIAP protein, whose Bir3 domain is an endogenous highly selective caspase-9 inhibitor. However, the mechanistic implications of caspase-9 expression and activation remain indeterminate in many pathologies. By assembling clinical reports of caspase-9 genetics, signaling and cellular localization in human tissues, this review identifies gaps between experimental and clinical studies on caspase-9, and presents opportunities for further investigations to examine the consequences of caspase activity in human disease.
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Affiliation(s)
- Maria I Avrutsky
- Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States
| | - Carol M Troy
- Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States.,Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States.,The Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States
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11
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Dahiya N, Atreya C. MiRNA-103b Downregulates ITGB3 and Mediates Apoptosis in Ex Vivo Stored Human Platelets. Microrna 2021; 10:123-129. [PMID: 34086556 DOI: 10.2174/2211536610666210604121854] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/29/2021] [Accepted: 04/14/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Blood bank-stored human platelets are one of the life-saving transfusion products to prevent bleeding in multiple clinical settings. In ex vivo storage, platelets undergo apoptosis and it is highly desirable to prevent this process to preserve platelet quality. However, underlying mechanisms of apoptosis are not well understood in stored platelets. Integrin beta 3 (ITGB3) glycoprotein plays multiple roles in platelet physiological processes, and it was reported in other cell types that downregulation of ITGB3 induces apoptosis. Small noncoding regulatory RNAs known as microRNAs (miRNAs), some of which are abundant in platelets such as miR-103b that belong to miR-103 family of miRNAs, known to play key roles in platelet functions both in vivo and during storage; Cellular miR-103 downregulates certain genes in other cell types and promotes apoptosis. However, whether miR-103b can target and downregulate ITGB3 in stored platelets and such miRNA regulation promotes apoptosis is not known. Here, we tested this working hypothesis. OBJECTIVE Our objective of this study is to validate the abundance of miR-103b in stored platelets and identify whether ITGB3 is a target of miR-103b for the downregulation and this interaction promotes apoptosis. METHODS RT-qPCR validation of miR-103b was performed in 11 donor samples at 3 different storage time points. In-silico analysis was performed to identify predicted targets of the miR-103b. The miRNA and messenger RNA interactions were confirmed using different biochemical approaches such as qRT-PCR, western blotting and, suppression of luciferase reporter gene expression by ectopic expression of miR-103b in HeLa cells. Final validation of the functional role of miR-103b in ITGB3 downregulation and resulting induction of apoptosis was assessed in stored platelets by FACS analysis following ectopic expression of miR-103b. RESULTS Using the Target Scan Vert algorithm, we identified several integrin subunit-encoding mRNAs as potential targets of miR-103b. While ITGB3 and ITGB6 were found to have two targeting sites for miR-103b, since ITGB3 is known to play a role in apoptosis, we chose this for further validation in this study. Ectopic expression of miR-103b decreased the luciferase reporter activity in HeLa cells and decreased ITGB3 mRNA and protein levels in platelets, concomitant with an increase in apoptosis. CONCLUSION The results demonstrate that in stored platelets, miR-103b is highly expressed and can interact with and downregulate ITGB3 and promote apoptosis in stored platelets.
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Affiliation(s)
- Neetu Dahiya
- Department of Laboratory of Cellular Hematology, Division of Blood Components and Devices, Center for Biologics Evaluation and Research, US Food and Drug Administration, 10903 New Hampshire Avenue, United States
| | - Chintamani Atreya
- Department of Laboratory of Cellular Hematology, Division of Blood Components and Devices, Center for Biologics Evaluation and Research, US Food and Drug Administration, 10903 New Hampshire Avenue, United States
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12
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Li J, Chen F, Zhang Q, Meng X, Yao X, Risacher SL, Yan J, Saykin AJ, Liang H, Shen L. Genome-wide Network-assisted Association and Enrichment Study of Amyloid Imaging Phenotype in Alzheimer's Disease. Curr Alzheimer Res 2020; 16:1163-1174. [PMID: 31755389 DOI: 10.2174/1567205016666191121142558] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/19/2019] [Accepted: 11/21/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND The etiology of Alzheimer's disease remains poorly understood at the mechanistic level, and genome-wide network-based genetics have the potential to provide new insights into the disease mechanisms. OBJECTIVE The study aimed to explore the collective effects of multiple genetic association signals on an AV-45 PET measure, which is a well-known Alzheimer's disease biomarker, by employing a network assisted strategy. METHODS First, we took advantage of a dense module search algorithm to identify modules enriched by genetic association signals in a protein-protein interaction network. Next, we performed statistical evaluation to the modules identified by dense module search, including a normalization process to adjust the topological bias in the network, a replication test to ensure the modules were not found randomly , and a permutation test to evaluate unbiased associations between the modules and amyloid imaging phenotype. Finally, topological analysis, module similarity tests and functional enrichment analysis were performed for the identified modules. RESULTS We identified 24 consensus modules enriched by robust genetic signals in a genome-wide association analysis. The results not only validated several previously reported AD genes (APOE, APP, TOMM40, DDAH1, PARK2, ATP5C1, PVRL2, ELAVL1, ACTN1 and NRF1), but also nominated a few novel genes (ABL1, ABLIM2) that have not been studied in Alzheimer's disease but have shown associations with other neurodegenerative diseases. CONCLUSION The identified genes, consensus modules and enriched pathways may provide important clues to future research on the neurobiology of Alzheimer's disease and suggest potential therapeutic targets.
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Affiliation(s)
- Jin Li
- College of Automation, Harbin Engineering University, Harbin, China
| | - Feng Chen
- College of Automation, Harbin Engineering University, Harbin, China
| | - Qiushi Zhang
- College of Information Engineering, Northeast Dianli University, Jilin, China
| | - Xianglian Meng
- College of Automation, Harbin Engineering University, Harbin, China
| | - Xiaohui Yao
- Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
| | - Shannon L Risacher
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, PA, United States
| | - Jingwen Yan
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, PA, United States
| | - Andrew J Saykin
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, PA, United States
| | - Hong Liang
- College of Automation, Harbin Engineering University, Harbin, China
| | - Li Shen
- Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
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13
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Herrera-Espejo S, Santos-Zorrozua B, Alvarez-Gonzalez P, Martin-Guerrero I, M de Pancorbo M, Garcia-Orad A, Lopez-Lopez E. A Genome-Wide Study of Single-Nucleotide Polymorphisms in MicroRNAs and Further In Silico Analysis Reveals Their Putative Role in Susceptibility to Late-Onset Alzheimer's Disease. Mol Neurobiol 2020; 58:55-64. [PMID: 32892277 DOI: 10.1007/s12035-020-02103-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 08/27/2020] [Indexed: 02/07/2023]
Abstract
Late-onset Alzheimer's disease (LOAD) is a neurodegenerative disorder of growing relevance in an aging society for which predictive biomarkers are needed. Many genes involved in LOAD are tightly controlled by microRNAs (miRNAs), which can be modulated by single-nucleotide polymorphisms (SNPs). Our aim was to determine the association between SNPs in miRNAs and LOAD. We selected all SNPs in pre-miRNAs with a minor allele frequency (MAF) > 1% and genotyped them in a cohort of 229 individuals diagnosed with LOAD and 237 unrelated healthy controls. In silico analyses were performed to predict the effect of SNPs on miRNA stability and detect downstream pathways. Four SNPs were associated with LOAD risk with a p value < 0.01 (rs74704964 in hsa-miR-518d, rs71363366 in hsa-miR-1283-2, rs11983381 in hsa-miR-4653, and rs10934682 in hsa-miR-544b). In silico analyses support a possible functional effect of those SNPs in miRNA levels and in the regulation of pathways of relevance for the development of LOAD. Although the results are promising, additional studies are needed to validate the association between SNPs in miRNAs and the risk of developing LOAD. Graphical abstract.
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Affiliation(s)
- Soraya Herrera-Espejo
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Borja Santos-Zorrozua
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Paula Alvarez-Gonzalez
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Idoia Martin-Guerrero
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,BioCruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Marian M de Pancorbo
- BIOMICs Research Group, Centro de Investigación "Lascaray" Ikergunea, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Africa Garcia-Orad
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,BioCruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Elixabet Lopez-Lopez
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain. .,BioCruces Bizkaia Health Research Institute, Barakaldo, Spain.
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14
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Balietti M, Giuli C, Casoli T, Fabbietti P, Conti F. Is Blood Brain-Derived Neurotrophic Factor a Useful Biomarker to Monitor Mild Cognitive Impairment Patients? Rejuvenation Res 2020; 23:411-419. [PMID: 32200710 DOI: 10.1089/rej.2020.2307] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Availability of reliable prognostic biomarkers that are also able to monitor preventive/therapeutic interventions in patients with mild cognitive impairment (MCI) is crucial. Cerebral brain-derived neurotrophic factor (BDNF) alterations were evidenced in Alzheimer's disease, but the value of blood BDNF in MCI is unclear, especially because of the incomplete/incorrect management of the numerous confounding factors unrelated to the disease. This study, applying a multidisciplinary methodological approach, aimed at clarifying whether blood BDNF can really mirror the cognitive symptoms of MCI, thus supporting the evaluation of clinical protocols' effectiveness as well as the definition of the conversion rate to dementia. Healthy elderly subjects (HE) and MCI patients were assessed for sociodemographic, neuropsychological, pharmacological, and lifestyle data, and plasma BDNF was measured (baseline); then, in the MCI cohort, the biomarker was tested in a comprehensive cognitive stimulation intervention (CS) as well as in a 2-year follow-up period. Plasma BDNF, cleansed from all the interfering factors, (1) did not discriminate HE and MCI patients; (2) in MCI patients reflected mood, social engagement, and subjective memory complaints but not cognition; (3) changed due to CS, although with no correlations to cognitive performances; and (4) predicted no functional deterioration. Our data indicate that the possible biased use of plasma BDNF in MCI is critically risky.
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Affiliation(s)
- Marta Balietti
- Center for Neurobiology of Aging, IRCCS INRCA, Ancona, Italy
| | - Cinzia Giuli
- Geriatrics Operative Unit, IRCCS INRCA, Fermo, Italy
| | - Tiziana Casoli
- Center for Neurobiology of Aging, IRCCS INRCA, Ancona, Italy
| | - Paolo Fabbietti
- Unit of Geriatric Pharmacoepidemiology, IRCCS INRCA, Ancona, Italy
| | - Fiorenzo Conti
- Center for Neurobiology of Aging, IRCCS INRCA, Ancona, Italy.,Section of Neuroscience and Cell Biology, Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy
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15
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Nudelman KNH, McDonald BC, Lahiri DK, Saykin AJ. Biological Hallmarks of Cancer in Alzheimer's Disease. Mol Neurobiol 2019; 56:7173-7187. [PMID: 30993533 PMCID: PMC6728183 DOI: 10.1007/s12035-019-1591-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 04/01/2019] [Indexed: 11/26/2022]
Abstract
Although Alzheimer's disease (AD) is an international health research priority for our aging population, little therapeutic progress has been made. This lack of progress may be partially attributable to disease heterogeneity. Previous studies have identified an inverse association of cancer and AD, suggesting that cancer history may be one source of AD heterogeneity. These findings are particularly interesting in light of the number of common risk factors and two-hit models hypothesized to commonly drive both diseases. We reviewed the ten hallmark biological alterations of cancer cells to investigate overlap with the AD literature and identified overlap of all ten hallmarks in AD, including (1) potentially common underlying risk factors, such as increased inflammation, deregulated cellular energetics, and genome instability; (2) inversely regulated mechanisms, including cell death and evading growth suppressors; and (3) functions with more complex, pleiotropic mechanisms, some of which may be stage-dependent in AD, such as cell adhesion/contact inhibition and angiogenesis. Additionally, we discuss the recent observation of a biological link between cancer and AD neuropathology. Finally, we address the therapeutic implications of this topic. The significant overlap of functional pathways and molecules between these diseases, some similarly and some oppositely regulated or functioning in each disease, supports the need for more research to elucidate cancer-related AD genetic and functional heterogeneity, with the aims of better understanding AD risk mediators, as well as further exploring the potential for some types of drug repurposing towards AD therapeutic development.
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Affiliation(s)
- Kelly N. H. Nudelman
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, IN, USA
- Indiana Alzheimer Disease Center, Indiana University School of Medicine, IN, USA
| | - Brenna C. McDonald
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, IN, USA
- Indiana Alzheimer Disease Center, Indiana University School of Medicine, IN, USA
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, IN, USA
- Department of Psychiatry, Indiana University School of Medicine, IN, USA
| | - Debomoy K. Lahiri
- Indiana Alzheimer Disease Center, Indiana University School of Medicine, IN, USA
- Department of Psychiatry, Indiana University School of Medicine, IN, USA
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, IN, USA
| | - Andrew J. Saykin
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, IN, USA
- Indiana Alzheimer Disease Center, Indiana University School of Medicine, IN, USA
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, IN, USA
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, IN, USA
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16
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The effect of crocin on apoptotic, inflammatory, BDNF, Pt, and Aβ40 indicators and neuronal density of CA1, CA2, and CA3 regions of hippocampus in the model of Alzheimer suffering rats induced with trimethyltin chloride. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s00580-019-02981-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Platelet Proteomic Analysis Revealed Differential Pattern of Cytoskeletal- and Immune-Related Proteins at Early Stages of Alzheimer’s Disease. Mol Neurobiol 2018; 55:8815-8825. [DOI: 10.1007/s12035-018-1039-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 03/23/2018] [Indexed: 12/15/2022]
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18
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Wojsiat J, Laskowska-Kaszub K, Mietelska-Porowska A, Wojda U. Search for Alzheimer's disease biomarkers in blood cells: hypotheses-driven approach. Biomark Med 2017; 11:917-931. [PMID: 28976776 DOI: 10.2217/bmm-2017-0041] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Current Alzheimer's disease (AD) diagnostics is based on cognitive testing, and detecting amyloid Aβ and τ pathology by brain imaging and assays of cerebrospinal fluid. However, biomarkers identifying complex pathways contributing to pathology are lacking, especially for early AD. Preferably, such biomarkers should be more cost-effective and present in easily available diagnostic tissues, such as blood. Here, we summarize the recent findings of potential early AD molecular diagnostic biomarkers in blood platelets, lymphocytes and erythrocytes. We review molecular alterations which refer to such main hypotheses of AD pathogenesis as amyloid cascade, oxidative and mitochondrial stress, inflammation and alterations in cell cycle regulatory molecules. The major advantage of such biomarkers is the potential ability to indicate individualized therapies in AD patients.
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Affiliation(s)
- Joanna Wojsiat
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Polish Academy of Science, Pasteur 3 St., 02-093 Warsaw, Poland
| | - Katarzyna Laskowska-Kaszub
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Polish Academy of Science, Pasteur 3 St., 02-093 Warsaw, Poland
| | - Anna Mietelska-Porowska
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Polish Academy of Science, Pasteur 3 St., 02-093 Warsaw, Poland
| | - Urszula Wojda
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology, Polish Academy of Science, Pasteur 3 St., 02-093 Warsaw, Poland
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19
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Wang P, Wang ZY. Metal ions influx is a double edged sword for the pathogenesis of Alzheimer's disease. Ageing Res Rev 2017; 35:265-290. [PMID: 27829171 DOI: 10.1016/j.arr.2016.10.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 09/08/2016] [Accepted: 10/17/2016] [Indexed: 12/17/2022]
Abstract
Alzheimer's disease (AD) is a common form of dementia in aged people, which is defined by two pathological characteristics: β-amyloid protein (Aβ) deposition and tau hyperphosphorylation. Although the mechanisms of AD development are still being debated, a series of evidence supports the idea that metals, such as copper, iron, zinc, magnesium and aluminium, are involved in the pathogenesis of the disease. In particular, the processes of Aβ deposition in senile plaques (SP) and the inclusion of phosphorylated tau in neurofibrillary tangles (NFTs) are markedly influenced by alterations in the homeostasis of the aforementioned metal ions. Moreover, the mechanisms of oxidative stress, synaptic plasticity, neurotoxicity, autophagy and apoptosis mediate the effects of metal ions-induced the aggregation state of Aβ and phosphorylated tau on AD development. More importantly, imbalance of these mechanisms finally caused cognitive decline in different experiment models. Collectively, reconstructing the signaling network that regulates AD progression by metal ions may provide novel insights for developing chelators specific for metal ions to combat AD.
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Affiliation(s)
- Pu Wang
- College of Life and Health Sciences, Northeastern University, No. 3-11, Wenhua Road, Shenyang, 110819, PR China.
| | - Zhan-You Wang
- College of Life and Health Sciences, Northeastern University, No. 3-11, Wenhua Road, Shenyang, 110819, PR China.
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20
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Kang WS, Park JK, Kim YJ, Cho AR, Park HJ, Kim SK, Paik JW, Lee KJ, Na HR, Kim YY, Lim HK, Jeong HG, Kim JW. Association of tripartite motif family-like 2 (TRIML2) polymorphisms with late-onset Alzheimer's disease risk in a Korean population. Neurosci Lett 2016; 630:127-131. [PMID: 27471163 DOI: 10.1016/j.neulet.2016.07.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 07/08/2016] [Accepted: 07/22/2016] [Indexed: 10/21/2022]
Abstract
Apoptosis is a prominent feature in the progression of Alzheimer's disease (AD), regulated in part by the activity of p53. As tripartite motif family-like 2 (TRIML2), a member of the TRIM family of proteins, has been implicated in the regulation of p53-mediated apoptosis, we hypothesized that TRIML2 polymorphisms may result in an increased AD susceptibility. Here, we investigated the association between coding region single nucleotide polymorphisms (cSNPs) in TRIML2 and AD in a Korean population. Two cSNPs (rs79698746 and rs2279551) were genotyped using the Sequenom iPLEX(®) Gold assay and direct sequencing in 162 AD patients and 191 controls. Multiple logistic regression models were used to determine the odds ratios, 95% confidence intervals, and p-values. Significant associations were observed between AD and the allelic frequencies of two SNPs (rs79698746, p=0.007; rs2279551, p=0.01); genotype frequencies were also significantly different between the two groups [rs79698746: p=0.003 in the codominant 2 model (CC vs. TT), p=0.01 in the dominant model (TC/CC vs. TT), p=0.016 in the recessive model (CC vs. TT/TC), and p=0.0025 in the log-additive model (TC vs. CC vs. TT); rs2279551: p=0.003 in the codominant 2 model (CC vs. TT), p=0.011 in the dominant model (TC/CC vs. TT), p=0.019 in the recessive model (CC vs. TT/TC), and p=0.0028 in the log-additive model (TC vs. CC vs. TT)]. In the haplotype analyses, CC haplotypes containing two cSNPs were significantly associated with AD (p=0.013). Taken together, these findings indicate that the C allele of both SNPs was associated with an increased risk of AD. These results suggest that TRIML2 may contribute to AD susceptibility.
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Affiliation(s)
- Won Sub Kang
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin Kyung Park
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Young Jong Kim
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ah Rang Cho
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hae Jeong Park
- Kohwang Medical Research Institute, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Su Kang Kim
- Kohwang Medical Research Institute, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jong-Woo Paik
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kang Joon Lee
- Department of Psychiatry, College of Medicine, Inje University, Ilsan Paik Hospital, Goyang, Republic of Korea
| | - Hae Ri Na
- Department of Neurology, Bobath Memorial Hospital, Seongnam 13618, Republic of Korea
| | - Young Youl Kim
- Division of Brain Diseases, Center for Biomedical Science, National Institute of Health Osong Health Technology Administration Complex, Cheongju 28161, Republic of Korea
| | - Hyun Kook Lim
- Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea
| | - Hyun-Ghang Jeong
- Department of Psychiatry, Korea University Guro Hospital, Korea University College of Medicine, Gurodongro 148, Gurogu, Seoul, Republic of Korea
| | - Jong Woo Kim
- Department of Neuropsychiatry, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea.
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