Abstract：
:We evaluated the autophagy-lysosomal pathway and membrane fluidity in brain cells and mitochondrial membranes obtained from senescence-accelerated (SAMP(8)) and senescence-resistant (SAMR(1)) mice at 5 and 10 months of age. Moreover, we studied whether chronic treatment from age 1 to 10 months with melatonin stabilizes membrane fluidity. Fluidity was measured by polarization changes of 1-(4-trimethylammoniumphenyl)-6-phenyl-1,3,5-hexatriene-p-toluene sulfonate. Results showed that in untreated animals at 5 months of age, synaptosomal and mitochondrial fluidity was decreased in SAMP(8) compared to SAMR(1), as was the cathepsin D/B ratio, indicating dysfunction of the autophagy-lysosomal pathway. Moreover, we detected synaptosomal rigidity and programmed cell death capability in both groups at 10 months of age. Mitochondrial fluidity, however, did not show a significant age-dependent change but was lower in SAMP(8) than in SAMR(1) at the 5- and 10-month time points. Melatonin administration prevented rigidity in the mitochondrial membrane and seemed to decrease age-related autophagy-lysosomal alterations. These data suggest that melatonin may act to slow down the aging process because of its ability to enhance membrane fluidity and maintain structural pathways.
journal_name
Neurobiol Agingjournal_title
Neurobiology of agingauthors
García JJ,Piñol-Ripoll G,Martínez-Ballarín E,Fuentes-Broto L,Miana-Mena FJ,Venegas C,Caballero B,Escames G,Coto-Montes A,Acuña-Castroviejo Ddoi
10.1016/j.neurobiolaging.2009.12.013subject
Has Abstractpub_date
2011-11-01 00:00:00pages
2045-54issue
11eissn
0197-4580issn
1558-1497pii
S0197-4580(09)00406-0journal_volume
32pub_type
杂志文章abstract：:Insomnia, daytime sleepiness, and nocturnal wandering, so common in the elderly, are caused largely by two specific pathophysiologic processes. Sleep apnea is a condition where respiration pauses during sleep, leading to arousal. Sleep apnea is due either to obstruction in the throat or failure of the central respirat...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(82)90021-5
更新日期：1982-01-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(95)97327-d
更新日期：1995-05-01 00:00:00
abstract：:The amyloid beta-peptide (A beta)-associated free radical oxidative stress model for neuronal death in Alzheimer's disease (AD) brain predicts that neuronal protein oxidation is a consequence of A beta-associated free radicals [8]. In this study we have used both in vitro and in vivo models of beta-amyloid (A beta) to...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/s0197-4580(99)00056-1
更新日期：1999-05-01 00:00:00
abstract：:Supporting the hypothesis that proteasome dysfunction is involved in Parkinson's disease (PD), McNaught et al. (2004) reported that the systemic administration of the proteasome inhibitor Z-Ile-Glu(OtBu)-Ala-Leu-aldehyde (PSI) in rats led to the degeneration of the nigrostriatal pathway. However, several groups could ...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2009.11.015
更新日期：2011-11-01 00:00:00
abstract：:Two neuroanatomically dissociable, large-scale cortical memory networks, referred to as the anterior and posterior medial temporal lobe (MTL) networks have recently been described in young adults using resting-state blood oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI)-based functional conne...
journal_title：Neurobiology of aging
pub_type： 杂志文章
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更新日期：2015-01-01 00:00:00
abstract：:Counts of neurons in locus coeruleus of Fisher 344 rats of ages from 12 to 32 months showed no loss with advancing age. Species comparisons of age changes in locus coeruleus neuron counts and measures of catecholamine systems suggested that the human and nonhuman primate locus coeruleus shows age changes and seen in r...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(81)90056-7
更新日期：1981-04-01 00:00:00
abstract：:We examined whether cognitive reserve (CR) impacts level of, or rate of change in, biomarkers of Alzheimer's disease (AD) and small-vessel cerebrovascular disease in >250 individuals who were cognitively normal and middle-aged and older at the baseline. The four primary biomarker categories commonly examined in studie...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2019.12.003
更新日期：2020-04-01 00:00:00
abstract：:Open field behavior and age-related changes in anterior pituitary corticotropin-releasing hormone (CRH) receptors, as well as plasma ACTH levels, were measured in two inbred rat strains. The strains utilized were Wistar Kyoto (WKY) and Brown-Norway (BN), the former characterized by shorter life-span and hyper-reactivi...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(92)90034-u
更新日期：1992-03-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
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更新日期：2014-11-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2008.04.007
更新日期：2010-03-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2016.05.002
更新日期：2016-08-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2005.04.008
更新日期：2006-06-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2010.01.008
更新日期：2011-12-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章,评审
doi：10.1016/0197-4580(91)90116-2
更新日期：1991-11-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/s0197-4580(02)00194-x
更新日期：2003-10-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2011.10.021
更新日期：2012-05-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章,多中心研究
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更新日期：2013-04-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2012.02.016
更新日期：2012-12-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(81)90021-x
更新日期：1981-10-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章,meta分析
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更新日期：2006-05-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2008.05.006
更新日期：2010-01-01 00:00:00
abstract：:In Alzheimer's disease (AD), amyloid-β (Aβ) deposits accumulate in the brain parenchyma and contain fibrils of aggregated heterogeneous Aβ peptides. In addition to fibrils, Aβ aggregates into stable soluble species (termed Aβ oligomers), which are increasingly viewed as the key drivers of early neurodegenerative event...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2014.05.023
更新日期：2014-11-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
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更新日期：2017-07-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/s0197-4580(99)00019-6
更新日期：1999-01-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
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更新日期：2015-04-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2011.06.001
更新日期：2012-08-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
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更新日期：2020-03-01 00:00:00
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journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/0197-4580(94)00152-9
更新日期：1995-03-01 00:00:00
abstract：:In amyotrophic lateral sclerosis (ALS), objective biomarkers are needed for early diagnosis and progression monitoring. Reduced phosphorylated tau (p-tau) in cerebrospinal fluid (CSF) has recently been proposed to provide such a biomarker in ALS. Here, we aimed to scrutinize this notion, evaluating both p-tau and tota...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2014.10.019
更新日期：2015-02-01 00:00:00
abstract：:We investigated whether progranulin plasma levels are predictors of the presence of progranulin gene (GRN) null mutations or of the development of symptoms in asymptomatic at risk members participating in the Genetic Frontotemporal Dementia Initiative, including 19 patients, 64 asymptomatic carriers, and 77 noncarrier...
journal_title：Neurobiology of aging
pub_type： 杂志文章
doi：10.1016/j.neurobiolaging.2017.10.016
更新日期：2018-02-01 00:00:00
