Is abeta a sufficient biomarker for monitoring anti-abeta clinical studies? A critical review.

abstract：:Inter-temporal choice depends on multiple, interacting systems, some of which may be compromised with age. Some of these systems may be responsible for ongoing trial-by-trial choice strategies. Some may represent the consequences of action. Some may be necessary for the coupling between anticipated consequences and st...

journal_title：Frontiers in aging neuroscience

authors： Breton YA,Seeland KD,Redish AD

更新日期：2015-03-27 00:00:00

abstract：:Iron is the most abundant transition metal within the brain, and is vital for a number of cellular processes including neurotransmitter synthesis, myelination of neurons, and mitochondrial function. Redox cycling between ferrous and ferric iron is utilized in biology for various electron transfer reactions essential t...

journal_title：Frontiers in aging neuroscience

authors： Hare D,Ayton S,Bush A,Lei P

更新日期：2013-07-18 00:00:00

abstract：:Objectives: Postural control in elderly people is impaired by degradations of sensory, motor, and higher-level adaptive mechanisms. Here, we characterize the effects of a progressive balance training program on these postural control impairments using a brain network model based on system identification techniques. Me...

journal_title：Frontiers in aging neuroscience

authors： Wiesmeier IK,Dalin D,Wehrle A,Granacher U,Muehlbauer T,Dietterle J,Weiller C,Gollhofer A,Maurer C

更新日期：2017-08-11 00:00:00

abstract：Objective:To examine whether osteoarthritis (OA) is associated with a change in adjusted hippocampal volumes (HpVR: hippocampal/intracranial volume × 103) over time among cognitively normal older people. Methods:We examined the cross-sectional and longitudinal associations of OA with HpVR among individuals with normal...

journal_title：Frontiers in aging neuroscience

authors： Li X,Tong Q,Gao J,Liu C,Alzheimer’s Disease Neuroimaging Initiative.,Liu Y

更新日期：2020-08-14 00:00:00

abstract：:Background: Hypersensitivity to general anesthetics may predict poor postoperative outcomes, especially among the older subjects. Therefore, it is essential to elucidate the mechanism underlying hypersensitivity to volatile anesthetics in the aging population. Given the fact that isoflurane sensitivity increases with ...

journal_title：Frontiers in aging neuroscience

authors： Gong C,Zhang D,Ou W,Ou M,Liang P,Liao D,Zhang W,Zhu T,Liu J,Zhou C

更新日期：2020-12-03 00:00:00

abstract：:Objectives: Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common hereditary small vessel disease, with reported frequencies of 2-5/100,000 individuals. Recently, it has been reported that some patients with NOTCH3 gene mutations show atypical clinical ...

journal_title：Frontiers in aging neuroscience

authors： Okada T,Washida K,Irie K,Saito S,Noguchi M,Tomita T,Koga M,Toyoda K,Okazaki S,Koizumi T,Mizuta I,Mizuno T,Ihara M

更新日期：2020-05-14 00:00:00

abstract：:Neurons with histopathological changes consistent with granulovacuolar degeneration (GVD) were found in brain sections from aged cynomolgus monkeys (Macaca fascicularis) with clinical and pathological signs of cognitive aging. To our knowledge, this is the first reported description of GVD in non-human primates. GVD-l...

journal_title：Frontiers in aging neuroscience

authors： Darusman HS,Agungpriyono DR,Kusumaputri VA,Sajuthi D,Schapiro SJ,Hau J

更新日期：2019-03-07 00:00:00

abstract：:Age related hearing loss (presbycusis) is one of the most common sensory deficits in the aging population. The main subjective ailment in the elderly is the deterioration of speech understanding, especially in a noisy environment, which cannot solely be explained by increased hearing thresholds. The examination method...

journal_title：Frontiers in aging neuroscience

authors： Profant O,Jilek M,Bures Z,Vencovsky V,Kucharova D,Svobodova V,Korynta J,Syka J

更新日期：2019-02-26 00:00:00

abstract：:Backgrounds: Frailty and cognitive impairment are critical geriatric syndromes. In previous studies, both conditions have been identified in old-age adults as increased risk factors for mortality. However, the combined effect of these two syndromes in predicting mortality among people with advanced age is not well und...

journal_title：Frontiers in aging neuroscience

authors： Hao Q,Dong B,Yang M,Dong B,Wei Y

更新日期：2018-10-18 00:00:00

abstract：:Aging is associated with cognitive decline and alterations in early perceptual processes. Studies in the auditory and visual sensory modalities have shown that the mismatch negativity [or the mismatch response (MMR)], an event-related potential (ERP) elicited by a deviant stimulus in a background of homogenous events,...

journal_title：Frontiers in aging neuroscience

authors： Strömmer JM,Tarkka IM,Astikainen P

更新日期：2014-10-27 00:00:00

abstract：:Neuroinflammation and autophagy dysfunction are closely related to the development of neurodegeneration such as Parkinson's disease (PD). However, the role of autophagy in microglia polarization and neuroinflammation is poorly understood. TNF-α, which is highly toxic to dopaminergic neurons, is implicated as a major m...

journal_title：Frontiers in aging neuroscience

authors： Jin MM,Wang F,Qi D,Liu WW,Gu C,Mao CJ,Yang YP,Zhao Z,Hu LF,Liu CF

更新日期：2018-11-20 00:00:00

abstract：:Reactive oxygen species and reactive nitrogen species (RONS) are by-products of aerobic metabolism. RONS trigger a signaling cascade that can be transduced through oxidation-reduction (redox)-based post-translational modifications (redox PTMs) of protein thiols. This redox signaling is essential for normal cellular ph...

journal_title：Frontiers in aging neuroscience

authors： Finelli MJ

更新日期：2020-09-03 00:00:00

abstract：:Neuromodulation techniques such as deep brain stimulation (DBS) are a promising treatment for memory-related disorders including anxiety, addiction, and dementia. However, the outcomes of such treatments appear to be somewhat paradoxical, in that these techniques can both disrupt and enhance memory even when applied t...

journal_title：Frontiers in aging neuroscience

authors： Tan SZK,Du R,Perucho JAU,Chopra SS,Vardhanabhuti V,Lim LW

更新日期：2020-09-14 00:00:00

abstract：:Type 2 diabetes mellitus is associated with neurodegeneration and cerebrovascular disease. However, the precise mechanism underlying the effects of glucose management on brain abnormalities is not fully understood. The differential impacts of glucose alteration on brain changes in patients with and without cognitive i...

journal_title：Frontiers in aging neuroscience

authors： Ogama N,Sakurai T,Kawashima S,Tanikawa T,Tokuda H,Satake S,Miura H,Shimizu A,Kokubo M,Niida S,Toba K,Umegaki H,Kuzuya M

更新日期：2018-09-12 00:00:00

abstract：:Invertebrate models have advantages for understanding the basis of behavioral aging due to their simple nervous systems and short lifespans. The potential usefulness of Aplysia californica in aging research is apparent from its long history of neurobiological research, but it has been underexploited in this model use....

journal_title：Frontiers in aging neuroscience

authors： Kempsell AT,Fieber LA

更新日期：2014-05-09 00:00:00

abstract：:Microglia can transform into proinflammatory/classically activated (M1) or anti-inflammatory/alternatively activated (M2) phenotypes following environmental signals related to physiological conditions or brain lesions. An adequate transition from the M1 (proinflammatory) to M2 (immunoregulatory) phenotype is necessary...

journal_title：Frontiers in aging neuroscience

authors： Labandeira-Garcia JL,Rodríguez-Perez AI,Garrido-Gil P,Rodriguez-Pallares J,Lanciego JL,Guerra MJ

更新日期：2017-05-03 00:00:00

abstract：:Background: Cognitive frailty (CF) is defined as the simultaneous presence of physical frailty and cognitive impairment among older adults without dementia. Previous studies have revealed that neuropathological changes may contribute to the degeneration of subcortical nuclei in the process of cognitive impairment. How...

journal_title：Frontiers in aging neuroscience

authors： Wan M,Xia R,Lin H,Qiu P,He J,Ye Y,Tao J,Chen L,Zheng G

更新日期：2020-07-28 00:00:00

abstract：:Background: Parkinson's disease (PD) is one of the most common neurodegenerative diseases. Variants in the LRRK2 gene have been shown to be associated with PD. However, the clinical characteristics of LRRK2-related PD are heterogeneous. In our study, we performed a comprehensive pooled analysis of the association betw...

journal_title：Frontiers in aging neuroscience

authors： Shu L,Zhang Y,Pan H,Xu Q,Guo J,Tang B,Sun Q

更新日期：2018-09-19 00:00:00

abstract：Background:Studying structural brain aging is important to understand age-related pathologies, as well as to identify the early manifestations of the Alzheimer's disease (AD) continuum. In this study, we investigated the long-term trajectory of physiological and pathological brain aging in a large number of participant...

journal_title：Frontiers in aging neuroscience

authors： Lee JS,Park YH,Park S,Yoon U,Choe Y,Cheon BK,Hahn A,Cho SH,Kim SJ,Kim JP,Jung YH,Park KC,Kim HJ,Jang H,Na DL,Seo SW

更新日期：2019-06-18 00:00:00

abstract：:To expose cortical involvement in age-related changes in motor performance, we compared steadiness (force fluctuations) and fatigability of submaximal isometric contractions with the ankle dorsiflexor muscles in older and young adults and with varying levels of cognitive demand imposed. Sixteen young (20.4 ± 2.1 year:...

journal_title：Frontiers in aging neuroscience

authors： Vanden Noven ML,Pereira HM,Yoon T,Stevens AA,Nielson KA,Hunter SK

更新日期：2014-05-22 00:00:00

abstract：:Background and purpose: The aggregation of vascular risk factors (VRFs) can aggravate cognitive impairment in stroke-free patients. Metabolites in serum and cerebrospinal fluid (CSF) may irreversibly reflect early functional deterioration. This study evaluated small-molecule metabolites (<1,000 Da) in the serum and CS...

journal_title：Frontiers in aging neuroscience

authors： Peng S,Shen Y,Wang M,Zhang J

更新日期：2020-07-22 00:00:00

abstract：:Despite potential implications for the early detection of impending Alzheimer's disease (AD), very little is known about the differences of large-scale brain networks between amnestic mild cognitive impairment (aMCI) with high cerebral amyloid-beta protein (Aβ) deposition (i.e., aMCI+) and aMCI with no or very little ...

journal_title：Frontiers in aging neuroscience

authors： Yi D,Choe YM,Byun MS,Sohn BK,Seo EH,Han J,Park J,Woo JI,Lee DY

更新日期：2015-02-19 00:00:00

abstract：:The McGill-R-Thy1-APP transgenic rat is an animal model of the familial form of Alzheimer's disease (AD). This model mirrors several neuropathological hallmarks of the disease, including the accumulation of beta-amyloid and the formation of amyloid plaques (in homozygous animals only), neuroinflammation and the gradua...

journal_title：Frontiers in aging neuroscience

authors： Petrasek T,Vojtechova I,Lobellova V,Popelikova A,Janikova M,Brozka H,Houdek P,Sladek M,Sumova A,Kristofikova Z,Vales K,Stuchlík A

更新日期：2018-08-28 00:00:00

abstract：:[This corrects the article on p. 13 in vol. 8, PMID: 26903857.]. ...

journal_title：Frontiers in aging neuroscience

authors： Hu YB,Li CB,Song N,Zou Y,Chen SD,Ren RJ,Wang G

更新日期：2017-02-23 00:00:00

abstract：:Synapse loss occurs early in Alzheimer's disease (AD) patients and animal models. Alterations at synaptic level are a major morphological correlate of the memory deficits and related symptoms of AD. Given the predominant roles of synaptic AMPA receptors (AMPARs) in excitatory synaptic transmission in the brain, change...

journal_title：Frontiers in aging neuroscience

authors： Martín-Belmonte A,Aguado C,Alfaro-Ruíz R,Itakura M,Moreno-Martínez AE,de la Ossa L,Molnár E,Fukazawa Y,Luján R

更新日期：2020-10-06 00:00:00

abstract：:It is common wisdom that practice makes perfect; but why do some adults learn better than others? Here, we investigate individuals' cognitive and social profiles to test which variables account for variability in learning ability across the lifespan. In particular, we focused on visual learning using tasks that test t...

journal_title：Frontiers in aging neuroscience

authors： Christian J,Goldstone A,Kuai SG,Chin W,Abrams D,Kourtzi Z

更新日期：2015-06-10 00:00:00

abstract：INTRODUCTION:Walking in the home and community often involves performance of complex walking tasks. Understanding the control of such tasks is crucial to preserving independence and quality of life in older adults. However, very little research has been conducted in this area. Here, we assess the extent to which two me...

journal_title：Frontiers in aging neuroscience

authors： Clark DJ,Rose DK,Ring SA,Porges EC

更新日期：2014-08-25 00:00:00

abstract：:The acquisition and retention of motor skills is necessary for everyday functioning in the elderly and may be critical in the context of motor rehabilitation. Recent studies indicate that motor training closely followed by sleep may result in better engagement of procedural ("how to") memory consolidation processes in...

journal_title：Frontiers in aging neuroscience

authors： Gal C,Gabitov E,Maaravi-Hesseg R,Karni A,Korman M

更新日期：2019-11-22 00:00:00

abstract：:Astrocytes are the most abundant cells of the central nervous system; they have a predominant role in maintaining brain metabolism. In this sense, abnormal metabolic states have been found in different neuropathological diseases. Determination of metabolic states of astrocytes is difficult to model using current exper...

journal_title：Frontiers in aging neuroscience

authors： Martín-Jiménez CA,Salazar-Barreto D,Barreto GE,González J

更新日期：2017-02-13 00:00:00

abstract：:Alzheimer's disease (AD) is marked by the presence of amyloid beta (Aβ) plaques, neurofibrillary tangles (NFT), neuronal death and synaptic loss, and inflammation in the brain. AD research has, in large part, been dedicated to the understanding of Aβ and NFT deposition as well as to the pharmacological reduction of th...

journal_title：Frontiers in aging neuroscience

authors： Frost GR,Jonas LA,Li YM

更新日期：2019-12-10 00:00:00