Characterization of intracytoplasmic neurofilament accumulation in hamster brain caused by Alzheimer buffy coat inoculation: comparison with experimental neurofibrillary changes produced by aluminum intoxication.

abstract：OBJECTIVE:To determine the prevalence of cardiopulmonary resuscitation (CPR) and do-not-attempt-resuscitation (DNAR) orders, to define factors associated with CPR/DNAR orders and to explore how physicians make and document these decisions. METHODS:We prospectively reviewed CPR/DNAR forms of 1,446 patients admitted to ...

journal_title：Gerontology

authors： Becerra M,Hurst SA,Junod Perron N,Cochet S,Elger BS

更新日期：2011-01-01 00:00:00

abstract：:(Na+-K+)-ATPase is an enzyme responsible for ionic homeostasis in excitable tissues. Thus, the activity of this enzyme is essential for the maintenance of optimal function of the cerebral cortex. Although abnormalities of cerebral oxidative metabolism have been described in aging, these abnormalities do not appear to ...

journal_title：Gerontology

authors： LaManna JC,Doull G,McCracken K,Harik SI

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND:Even though poor lighting at nighttime is an important risk factor for falls (and most falls occur during the night), lighting interventions to improve nightly lighting from bed to bathroom are rarely evaluated for fall prevention. OBJECTIVE:We tested the hypothesis that an automated guiding light would red...

journal_title：Gerontology

authors： Thölking TW,Lamers ECT,Olde Rikkert MGM

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:During development and aging, as well as under hypoxia, many cells can adapt to a stressful environment, while others are damaged and die by apoptosis. In particular, intermittent hypoxia, i.e., hypoxia followed by reoxygenation, determines different responses in young and adult myocardia. OBJECTIVE:In the ...

journal_title：Gerontology

authors： Bianchi G,Di Giulio C,Rapino C,Rapino M,Antonucci A,Cataldi A

更新日期：2006-01-01 00:00:00

abstract：:This paper critiques Brand and Markowitsch's viewpoint that the decision-making difficulties experienced by older adults during laboratory-based gambling tasks can be attributed to deficits in executive control and feedback operations. While Brand and Markowitsch provide an important platform with which to understand ...

journal_title：Gerontology

authors： McCarrey AC,Henry JD,Luszcz M

更新日期：2010-01-01 00:00:00

abstract：:Alloxan diabetes in Swiss mice of both sexes accelerated the ageing of collagen in newly formed cotton pellet granuloma concomitant with its similar effect on dorsal skin. The degree of response of collagen to alloxanization was dependent on the duration of the treatment and the sex of the animal. It is suggested that...

journal_title：Gerontology

authors： Behera HN,Patnaik BK

更新日期：1981-01-01 00:00:00

abstract：OBJECTIVE AND BACKGROUND:The aim of the present article is to discuss the potential of gene therapy for thymic hormones as a novel therapeutic strategy to treat dyshomeostatic states associated with athymia, as Di George syndrome, or hypothymic conditions like those associated with AIDS, chronic stress or aging. First ...

journal_title：Gerontology

authors： Goya RG,Cónsole G,Hereñú C,Brown O,Rimoldi OJ

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Although a relationship between diet and mortality is well recognized, there is little information on the extent to which different food sources contribute to survival in elderly people. OBJECTIVE:To examine the effect of individual food groups on mortality in institutionalized elderly people from Asturias ...

journal_title：Gerontology

authors： González S,Huerta JM,Fernández S,Patterson AM,Lasheras C

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Recent studies have shown that vitamin D status may be relevant for physical and cognitive performance in the older population. This association may be of particular interest to older people at risk for cognitive impairment and functional decline. OBJECTIVE:The aim of this study was to determine the associa...

journal_title：Gerontology

authors： Gschwind YJ,Bischoff-Ferrari HA,Bridenbaugh SA,Härdi I,Kressig RW

更新日期：2014-01-01 00:00:00

abstract：:The activity of ceruloplasmin (CP) increased 3-fold in rat blood between 1 week and 20 months of age, but the difference in CP activity of adult and old rats was only 14%, which still is statistically significant (p less than 0.01). The increase in NaCl and KCl concentrations in vitro resulted in the same exponential ...

journal_title：Gerontology

authors： Semsei I

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:Irrelevant unexpected stimuli elicit various types of inhibitory processes modulated by ongoing activity. An index of the inhibitory processes, namely the N2b and P3a event-related potentials (ERP), shows marked age-related differences. OBJECTIVE:In this experiment, we attempted to separate the effects of i...

journal_title：Gerontology

authors： Pató L,Czigler I

更新日期：2011-01-01 00:00:00

abstract：OBJECTIVE:To focus on diagnostic and therapeutic problems of pulmonary embolism in the elderly. METHODS:Retrospective analysis of 5 years of clinical, instrumental, and laboratory data (collected at the time of hospital admission) for patients 65 years and older with pulmonary embolism proven by a high-probability sci...

journal_title：Gerontology

authors： Masotti L,Ceccarelli E,Cappelli R,Guerrini M,Forconi S

更新日期：2000-07-01 00:00:00

abstract：:Empirical evidence for the conjecture that brain weight of mammals is a better predictor of life span than is body weight, is reexamined and evaluated in this paper. The original evidence was that for 63 mammalian species, log brain weight explained 79% of the log life span variance, whereas log body weight explained ...

journal_title：Gerontology

authors： Economos AC

更新日期：1980-01-01 00:00:00

abstract：:A morphometric analysis of neuronal loss during normal aging was performed in the nucleus basalis Meynert complex of the basal forebrain (Nbm) (nucleus septi medialis, nucleus of Broca's diagonal band, nucleus basalis) and the ciliary ganglion, a peripheral cholinergic structure, in patients free of neurological and p...

journal_title：Gerontology

authors： Bigl V,Arendt T,Fischer S,Fischer S,Werner M,Arendt A

更新日期：1987-01-01 00:00:00

abstract：:The Hermansky-Pudlak syndrome (HPS) is an autosomal recessive disease characterized by a triad of oculocutaneous albinism, accumulation of auto-fluorescent ceroid-like pigments within macrophages, and bleeding tendency due to a storage pool disease of the platelets. We report an autopsy case (39y, male), who died of p...

journal_title：Gerontology

authors： Ohbayashi C,Kanomata N,Imai Y,Ito H,Shimasaki H

更新日期：1995-01-01 00:00:00

abstract：:The aim of the study was to examine the characteristics of colorectal cancer in elderly patients. The medical histories of 178 consecutive patients (79 men and 99 women) with colorectal cancer were studied from hospital records. The studied parameters were compared between three age groups: under 65 years old, 65-80 y...

journal_title：Gerontology

authors： Kemppainen M,Räihä I,Rajala T,Sourander L

更新日期：1993-01-01 00:00:00

abstract：AIM:To investigate acceptance and usage issues in relation to Telehealth products as used by frail older clients of the Transition Care Program and their carers. METHOD:The study design was a quasi-randomised controlled clinical trial. A stratified random sample of participants was allocated to one of five groups usin...

journal_title：Gerontology

authors： Wade R,Shaw K,Cartwright C

更新日期：2012-01-01 00:00:00

abstract：:Hydrogen breath testing (HBT) is frequently used as an alternative to small bowel aspiration in the diagnosis of small intestinal bacterial overgrowth (SIBO). The role of the glucose HBT was assessed in 30 elderly patients. A positive HBT was recorded in 15 of 20 SIBO cases and 7 of 10 culture negatives (sensitivity 7...

journal_title：Gerontology

authors： Mac Mahon M,Gibbons N,Mullins E,O'Moore RR,Keane CT,Walsh JB,Coakley D

更新日期：1996-01-01 00:00:00

abstract：:Alteration in lipid peroxidation products such as lipid peroxides, lipid hydroperoxides were studied in different regions of CNS of ageing rats (13, 26, 52, 78 and 104 weeks). The levels of lipid peroxide and lipid hydroperoxide were increased in various regions of brain and spinal cord. However, the activity of super...

journal_title：Gerontology

authors： Gupta A,Hasan M,Chander R,Kapoor NK

更新日期：1991-01-01 00:00:00

abstract：:The kinetics of cell proliferation and sister chromatid exchanges (SCE) were studied in blood lymphocytes treated by mitomycin C (MMC) in young and old human donors. In both the young and old donors MMC inhibited cell proliferation. Spontaneous SCE frequency was not age-dependent. In young donors, MMC induced a dose-r...

journal_title：Gerontology

authors： Musilová J,Michalová K,Pacovský V

更新日期：1984-01-01 00:00:00

abstract：:A trypsin-type protease was purified to enzymatic homogeneity from human umbilical vein endothelial cells by sequential affinity chromatographies. The enzyme specifically hydrolyzed dibasic substrates with leucine at the P3 positions, but scarcely hydrolyzed the other substrates tested. The enzyme was strongly inhibit...

journal_title：Gerontology

authors： Kido H,Takeda M,Wakabayashi H,Tanaka S,Nishimura N,Takenaka M,Okada M

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Aging may be defined as gradual and progressive changes in an organism that increase the probability of death. Accumulating evidence now indicates that the sum of deleterious free radical reactions going on continuously throughout cells and tissues constitutes the aging process or is a major contributor to i...

journal_title：Gerontology

authors： Martins Chaves M,Prates Rodrigues AL,Pereira dos Reis A,Gerzstein NC,Nogueira-Machado JA

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND:Relationships between alcohol consumption and risks for metabolic syndrome in general populations are very controversial. It is unknown whether age influences the relationship between alcohol intake and the prevalence of metabolic syndrome. OBJECTIVE:The purpose of this study was to determine whether age in...

journal_title：Gerontology

authors： Wakabayashi I

更新日期：2012-01-01 00:00:00

abstract：:Induced tyrosine aminotransferase from adult and old rat liver was purified and its properties were studied. No differences could be detected for any physicochemical properties studied, i.e. specific activity, molecular weight, isoelectric point, thermostability, sensitivity to trypsin, Km for pyridoxal phosphate. Mor...

journal_title：Gerontology

authors： Szajnert MF,Schapira F

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND:Although cross-sectional studies have demonstrated associations between visual contrast sensitivity and cognitive test performance, it remains unclear whether peripheral visual or perceptual factors explain the association. OBJECTIVE:We aimed at determining whether reducing static contrast of the study stim...

journal_title：Gerontology

authors： Anstey KJ,Butterworth P,Borzycki M,Andrews S

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Cognitively stimulating activities contribute to the accumulation of cognitive reserve that is proposed to be instrumental for maintaining cognitive functioning in aging. Adopting a novel, more general conceptual perspective including models of vulnerability, we argue that cognitive reserve may modify the lo...

journal_title：Gerontology

authors： Ihle A,Rimmele U,Oris M,Maurer J,Kliegel M

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVE:A randomized, double-blind, placebo-controlled clinical trial was conducted to evaluate the effectiveness and safety of peroxide-containing strip-based tooth whitening among subjects with medication-induced hyposalivation. METHODS:Eligibility for this tooth whitening study was limited to dentate adults takin...

journal_title：Gerontology

authors： Papas AS,Kugel G,Singh M,Barker ML,Gerlach RW

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Mild-to-moderate chronic kidney disease (CKD G3a) is prevalent in older adults. Substantial evidence suggests that individuals with advanced CKD face a high risk for common geriatric conditions, like functional impairment and cognitive decline, whereas the relationships between mild-to-moderate CKD and funct...

journal_title：Gerontology

authors： König M,Gollasch M,Spira D,Buchmann N,Hopfenmüller W,Steinhagen-Thiessen E,Demuth I

更新日期：2018-01-01 00:00:00

abstract：:Mechanisms underlying the decreased febrile response in the elderly have not been elucidated. One hypothesis is that elderly persons have a decreased response at the hypothalamic or peripheral effector level to endogenous pyrogen (EP). We studied the response to human monocyte-derived EP in young adult and aged Fische...

journal_title：Gerontology

authors： Tocco-Bradley R,Singer R,Kluger MJ,Kauffman CA

更新日期：1985-01-01 00:00:00

abstract：:Fishes exhibit a 'determinate' type of growth in short-lived species of warmer regions and an 'indeterminate' type in long-lived species of colder regions. Growth is measured in units of length and weight and is best represented as the specific growth rate. The relationship between weight and length provides an index ...

journal_title：Gerontology

authors： Dutta H

更新日期：1994-01-01 00:00:00