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Duron E, Vidal JS, Grousselle D, Gabelle A, Lehmann S, Pasquier F, Bombois S, Buée L, Allinquant B, Schraen-Maschke S, Baret C, Rigaud AS, Hanon O, Epelbaum J. Somatostatin and Neuropeptide Y in Cerebrospinal Fluid: Correlations With Amyloid Peptides Aβ 1-42 and Tau Proteins in Elderly Patients With Mild Cognitive Impairment. Front Aging Neurosci 2018; 10:297. [PMID: 30327597 PMCID: PMC6174237 DOI: 10.3389/fnagi.2018.00297] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 09/10/2018] [Indexed: 12/23/2022] Open
Abstract
A combination of low cerebrospinal fluid (CSF) Amyloid β1–42 (Aβ1–42) and high Total-Tau (T-Tau) and Phosphorylated-Tau (P-Tau) occurs at a prodromal stage of Alzheimer’s disease (AD) and recent findings suggest that network abnormalities and interneurons dysfunction contribute to cognitive deficits. Somatostatin (SOM) and Neuropeptide Y (NPY) are two neuropeptides which are expressed in GABAergic interneurons with different fates in AD the former only being markedly affected. The aim of this study was to analyze CSF SOM, NPY and CSF Aβ1–42; T-Tau, P-Tau relationships in 43 elderly mild cognitively impairment (MCI) participants from the Biomarker of AmyLoïd pepTide and AlZheimer’s disease Risk (BALTAZAR) cohort. In these samples, CSF SOM and CSF Aβ1–42 on the one hand, and CSF NPY and CSF T-Tau and P-Tau on the other hand are positively correlated. CSF SOM and NPY concentrations should be further investigated to determine if they can stand for early AD biomarkers. Clinical Trial Registration: www.ClinicalTrials.gov, identifier #NCT01315639.
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Affiliation(s)
- Emmanuelle Duron
- AP-HP, Hôpital Broca, Service de Gériatrie, Paris, France.,Université Sorbonne Paris Cité, UMR-S894, INSERM Université Paris Descartes, Centre de Psychiatrie et Neuroscience, Paris, France.,APHP, Hôpital Paul Brousse, Service de Gériatrie du Dr Karoubi, Villejuif, France.,Université Paris-Sud 11, Centre de Recherche en Épidemiologie et Santé des Population- Depression et Antidépresseurs, INSERM UMR-1178, Le Kremlin-Bicêtre, France
| | - Jean-Sébastien Vidal
- AP-HP, Hôpital Broca, Service de Gériatrie, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Dominique Grousselle
- Université Sorbonne Paris Cité, UMR-S894, INSERM Université Paris Descartes, Centre de Psychiatrie et Neuroscience, Paris, France
| | - Audrey Gabelle
- Memory Research and Resources Center, Gui de Chauliac Hospital, University of Montpellier, Montpellier, France
| | - Sylvain Lehmann
- Laboratoire de Biochimie Protéomique Clinique, CHU Montpellier, University of Montpellier, INSERM, Montpellier, France
| | - Florence Pasquier
- University of Lille, INSERM 1171, CHU, Centre Mémoire (CMRR) Distalz, Lille, France
| | | | - Luc Buée
- University of Lille, INSERM 1171, CHU, Centre Mémoire (CMRR) Distalz, Lille, France
| | - Bernadette Allinquant
- Université Sorbonne Paris Cité, UMR-S894, INSERM Université Paris Descartes, Centre de Psychiatrie et Neuroscience, Paris, France
| | | | - Christiane Baret
- UF de Neurobiologie, Centre Biologie Pathologie du CHU-Lille, Lille, France
| | - Anne-Sophie Rigaud
- AP-HP, Hôpital Broca, Service de Gériatrie, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Olivier Hanon
- AP-HP, Hôpital Broca, Service de Gériatrie, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Jacques Epelbaum
- Université Sorbonne Paris Cité, UMR-S894, INSERM Université Paris Descartes, Centre de Psychiatrie et Neuroscience, Paris, France.,MECADEV UMR 7179 CNRS, Muséum National d'Histoire Naturelle, Paris, France
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Duron E, Vidal JS, Grousselle D, Gabelle A, Lehmann S, Pasquier F, Bombois S, Buée L, Allinquant B, Schraen-Maschke S, Baret C, Rigaud AS, Hanon O, Epelbaum J. Somatostatin and Neuropeptide Y in Cerebrospinal Fluid: Correlations With Amyloid Peptides Aβ1–42 and Tau Proteins in Elderly Patients With Mild Cognitive Impairment. Front Aging Neurosci 2018. [DOI: 10.3389/fnagi.2018.00297
expr 920238904 + 834128533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
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3
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Wang HL, Wang YY, Liu XG, Kuo SH, Liu N, Song QY, Wang MW. Cholesterol, 24-Hydroxycholesterol, and 27-Hydroxycholesterol as Surrogate Biomarkers in Cerebrospinal Fluid in Mild Cognitive Impairment and Alzheimer's Disease: A Meta-Analysis. J Alzheimers Dis 2016; 51:45-55. [PMID: 26836015 DOI: 10.3233/jad-150734] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Abnormal cholesterol metabolism is an established feature of Alzheimer's disease (AD). Cerebrospinal fluid (CSF) is the fluid surrounding the central nervous system, and the protein and lipid content alterations in the CSF could be biomarkers for degenerative changes in the brain. The laboratory diagnosis of AD is limited to the analysis of three biomarkers in CSF: Aβ42, total tau, and phospho-tau. The purpose of this analysis is to systematically analyze the available data describing the biomarkers of cholesterol and its metabolites in the CSF of subjects with AD. MEDLINE, EMBASE, and the Cochrane Central database were systematically queried to collect studies that have evaluated the markers of cholesterol and its metabolites in the CSF of subjects with mild cognitive impairment (MCI) or AD and age-matched controls. Analysis of the published data shows that the levels of cholesterol are increased in MCI subjects; 24-hydroxycholesterol and 27-hydroxycholesterol are elevated in AD and MCI subjects compared to controls. There is a significant dysfunction of cholesterol metabolism in the CSF of AD subjects. This analysis indicates that in addition to the available biomarkers in the CSF, such as Aβ42, total tau, and phospho-tau, 24-hydroxycholesterol, 27-hydroxycholesterol, and cholesterol appear to be sensitive biomarkers for the evaluation of MCI and AD.
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Affiliation(s)
- Hua-Long Wang
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Yan-Yong Wang
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Xin-Gang Liu
- Department of Rehabilitation, Jingxing Hospital, Jingxing, Hebei, PR China
| | - Sheng-Han Kuo
- Department of Neurology, Columbia University, New York, NY, USA
| | - Na Liu
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Qiao-Yun Song
- Department of Reproductive Genetics, Hebei General Hospital, Shijiazhuang, Hebei, PR China
| | - Ming-Wei Wang
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang, Hebei, PR China.,Brain Aging and Cognitive Neuroscience Laboratory of Hebei province, Shijiazhuang, Hebei, PR China
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Abstract
Stress is defined as an adverse condition that disturbs the homeostasis of the body and activates adaptation responses. Among the many pathways and mediators involved, neuropeptide Y (NPY) stands out due to its unique stress-relieving, anxiolytic and neuroprotective properties. Stress exposure alters the biosynthesis of NPY in distinct brain regions, the magnitude and direction of this effect varying with the duration and type of stress. NPY is expressed in particular neurons of the brainstem, hypothalamus and limbic system, which explains why NPY has an impact on stress-related changes in emotional-affective behaviour and feeding as well as on stress coping. The biological actions of NPY in mammals are mediated by the Y1, Y2, Y4 and Y5 receptors, Y1 receptor stimulation being anxiolytic whereas Y2 receptor activation is anxiogenic. Emerging evidence attributes NPY a role in stress resilience, the ability to cope with stress. Thus there is a negative correlation between stress-induced behavioural disruption and cerebral NPY expression in animal models of post-traumatic stress disorder. Exogenous NPY prevents the negative consequences of stress, and polymorphisms of the NPY gene are predictive of impaired stress processing and increased risk of neuropsychiatric diseases. Stress is also a factor contributing to, and resulting from, neurodegenerative diseases such as Alzheimer's, Parkinson's and Huntington's disease, in which NPY appears to play an important neuroprotective role. This review summarizes the evidence for an implication of NPY in stress-related and neurodegenerative pathologies and addresses the cerebral NPY system as a therapeutic target.
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Affiliation(s)
- Florian Reichmann
- Research Unit of Translational Neurogastroenterology, Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Universitätsplatz 4, A-8010 Graz, Austria.
| | - Peter Holzer
- Research Unit of Translational Neurogastroenterology, Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Universitätsplatz 4, A-8010 Graz, Austria
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Croce N, Ciotti MT, Gelfo F, Cortelli S, Federici G, Caltagirone C, Bernardini S, Angelucci F. Neuropeptide Y protects rat cortical neurons against β-amyloid toxicity and re-establishes synthesis and release of nerve growth factor. ACS Chem Neurosci 2012; 3:312-8. [PMID: 22860197 DOI: 10.1021/cn200127e] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Accepted: 01/16/2012] [Indexed: 02/03/2023] Open
Abstract
Neuropeptide Y (NPY) is a 36 amino acid peptide, widely distributed within central nervous system neurons. More recently, it has been shown that NPY is involved in Alzheimer's disease (AD), a disorder characterized by accumulation of amyloid β-peptide (Aβ) in neurons. In a previous study, we investigated the effect of NPY on neuronal damage by exposing SH-SY5Y cells (an established human derived neuroblastoma cell line) to Aβ's pathogenic fragment 25-35 (Aβ(25-35)). We found a NPY-neuroprotective action associated with changes in intracellular production of nerve growth factor (NGF), a member of the neurotrophin family. Since our results were encouraging, we decided to replicate our data using primary cortical neurons cultured in presence of Aβ(25-35), and investigated whether NPY had similar neuroprotective action. Moreover, since cortical neurons are able to produce and release NGF, we investigated whether the synthesis and release of NGF were modified in such experimental conditions. Our results showed that a preincubation with NPY counteracted the toxic effect of Aβ, as measured by increased cell viability. Moreover, NPY pretreatment had an effect on NGF since its intracellular synthesis was increased, release was normalized, and mRNA expression was downregulated. Notably, these effects on NGF were in the opposite direction of those produced by incubating the cells with Aβ alone. This study in primary cortical neurons supports the hypothesis that NPY may be a neuroprotective agent against β-amyloid neurotoxicity. These data also suggest that NPY may influence the synthesis and the release of NGF by cortical neurons.
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Affiliation(s)
| | - Maria Teresa Ciotti
- Institute of Cellular Biology
and Neurobiology, National Council of Research, Rome, Italy
| | | | - Silvia Cortelli
- Department
of Internal Medicine, Tor Vergata University, Rome, Italy
| | - Giorgio Federici
- Department
of Internal Medicine, Tor Vergata University, Rome, Italy
| | | | - Sergio Bernardini
- Department
of Internal Medicine, Tor Vergata University, Rome, Italy
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Croce N, Dinallo V, Ricci V, Federici G, Caltagirone C, Bernardini S, Angelucci F. Neuroprotective effect of neuropeptide Y against β-amyloid 25-35 toxicity in SH-SY5Y neuroblastoma cells is associated with increased neurotrophin production. NEURODEGENER DIS 2011; 8:300-9. [PMID: 21346312 DOI: 10.1159/000323468] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Accepted: 12/09/2010] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND In the central nervous system, several neuropeptides are believed to be involved in the pathophysiology of Alzheimer's disease (AD). Among them, neuropeptide Y (NPY) is a small peptide widely distributed throughout the brain, where it serves as a neurotransmitter and/or a modulator of several neuroendocrine functions. More recently, NPY has generated interest because of its role in neuroprotection against excitotoxicity and modulation of neurogenesis. Interestingly, these effects are also influenced by neurotrophins, critical molecules for the function and survival of neurons that degenerate in AD. OBJECTIVE Our purpose was to investigate whether NPY might be a neuroprotective agent in AD and whether neurotrophins are involved in NPY-induced neuroprotection. METHODS To test this hypothesis, we exposed the SH-SY5Y neuroblastoma cell line to toxic concentrations of β-amyloid (Aβ) peptide fragment 25-35 (Aβ(25-35)) and measured cell survival and neurotrophin expression before and after a preincubation with NPY in the growth medium. RESULTS Our results demonstrated that preincubation with NPY prevented cell loss due to the toxic effect of Aβ(25-35). Moreover, while intracellular production of nerve growth factor and brain-derived neurotrophic factor were reduced by Aβ, NPY restored or even increased neurotrophin protein and mRNA in SH-SY5Y cells. CONCLUSION In conclusion, this study demonstrates that NPY increases the survival of SH-SY5Y neuroblastoma cells and counteracts the toxic effect of Aβ. In addition, NPY restores the neurotrophin levels in these cells. Although preliminary, these observations might be useful to understand the pathology of Alzheimer's and/or develop new therapeutic strategies.
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Age and sex dependent genetic effects of neuropeptide Y promoter polymorphism on susceptibility to ischemic stroke in Koreans. Clin Chim Acta 2010; 411:1243-7. [DOI: 10.1016/j.cca.2010.04.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Revised: 04/26/2010] [Accepted: 04/26/2010] [Indexed: 01/11/2023]
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Kim NS, Oh SM, Ko MM, Cha MH, Kang BK, Bang OS. Association of the C-399T promoter polymorphism of neuropeptide Y with susceptibility to ischemic stroke. Clin Biochem 2009; 42:1699-704. [PMID: 19619519 DOI: 10.1016/j.clinbiochem.2009.07.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2009] [Revised: 07/03/2009] [Accepted: 07/07/2009] [Indexed: 01/27/2023]
Abstract
OBJECTIVES The common sequence variants of neuropeptide Y (NPY) were known to be associated with some kinds of diseases including stroke. This study investigated the association of NPY promoter polymorphism, C-399T, with ischemic stroke and its underlying mechanism using in vitro systems. DESIGN AND METHODS Study subjects consisted of 444 ischemic stroke patients and 326 controls without stroke. C-399T genotyping was conducted by a primer extension-based method. Plasma NPY was quantified with an enzyme immunoassay, and transcription characteristics were investigated by a reporter gene assay and an enzyme mobility shift assay. RESULTS A significantly lower frequency of TT genotype was observed in a stroke group (OR[95% CI], 0.399[0.187-0.854], p=0.0180). The C-399T polymorphism affected the transcription efficiency of NPY gene and its genotypes were related to the changes in plasma NPY levels. CONCLUSION This study suggests that NPY promoter polymorphism, C-399T, should be considered a genetic risk factor for ischemic stroke.
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Affiliation(s)
- No S Kim
- Brain Disease Research Center, Division of Traditional Korean Medicine Integrated Research, Korea Institute of Oriental Medicine, 483 Expo-ro, Yuseong-gu, Daejeon, Republic of Korea
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de Leon J, Correa JC, Ruaño G, Windemuth A, Arranz MJ, Diaz FJ. Exploring genetic variations that may be associated with the direct effects of some antipsychotics on lipid levels. Schizophr Res 2008; 98:40-6. [PMID: 18031993 DOI: 10.1016/j.schres.2007.10.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2007] [Revised: 10/04/2007] [Accepted: 10/10/2007] [Indexed: 11/30/2022]
Abstract
The goal of this study was to select some genes that may serve as good candidates for future studies of the direct effects (not explained by obesity) of some antipsychotics on hyperlipidemia. A search for single-nucleotide polymorphisms (SNPs) that may be associated with these direct effects was conducted. From a published cross-sectional sample, 357 patients on antipsychotics were genotyped using a DNA microarray with 384 SNPs. A total of 165 patients were taking olanzapine, quetiapine or chlorpromazine which may directly cause hypertriglyceridemia or hypercholesterolemia. Another 192 patients taking other antipsychotics were controls. A two-stage statistical analysis that included loglinear and logistic models was developed to select SNPs blindly. In a third stage, physiological knowledge was used to select promising SNPs. Known physiological mechanisms were supported for 3 associations found in patients taking olanzapine, quetiapine or chlorpromazine [acetyl-coenzyme A carboxylase alpha SNP (rs4072032) in the hypertriglyceridemia model, and for the neuropeptide Y (rs1468271) and ACCbeta, (rs2241220) in the hypercholesterolemia model]. These genes may be promising candidates for studies of the direct effects of some antipsychotics on hyperlipidemia.
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Affiliation(s)
- Jose de Leon
- University of Kentucky Mental Health Research Center at Eastern State Hospital, College of Medicine, Lexington, Kentucky 40508, United States.
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