The Longitudinal Relationship of Perceived Stress Predicting Subsequent Decline in Executive Functioning in Old Age Is Attenuated in Individuals with Greater Cognitive Reserve.

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：:Although the two-point discrimination test of the skin is a simple test of the sensory nerve function, there have been few studies on age-related changes in the ability to discriminate between two points in a large noninstitutionalized population. In this study we attempted (1) to determine normal values on the two-po...

journal_title：Gerontology

authors： Shimokata H,Kuzuya F

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND:Due to aging, tissue regeneration gradually declines. Contemporary strategies to promote tissue-specific regeneration, in particular in elderly patients, often include synthetic material apt for implantation primarily aiming at upholding body functions and regaining appropriate anatomical and functional inte...

journal_title：Gerontology

authors： Schimke MM,Paul S,Tillmann K,Lepperdinger G,Stigler RG

更新日期：2019-01-01 00:00:00

abstract：:Glutamine synthetase (GS) activity was measured in whole brain, different brain areas, liver and heart of 23- to 26-month-old rats, and then compared to matched animals of 3 months. A significant increase of GS activity was found in whole brain (25%) of old rats, as well as in all brain areas studied, but particularly...

journal_title：Gerontology

authors： Cao Danh H,Strolin Benedetti M,Dostert P

更新日期：1985-01-01 00:00:00

abstract：:Neuron density, volume of the area and total neuron number were measured in the medial preoptic area, supraoptic nucleus, paraventricular nucleus, anterior hypothalamic area, ventromedial nucleus, dorsomedial nucleus and arcuate nucleus of the hypothalamus in young adult male rats (3.5-5 months old) and in old male ra...

journal_title：Gerontology

authors： Peng MT,Hsü HK

更新日期：1982-01-01 00:00:00

abstract：:The purpose of this study was to examine the effects of a multifactorial memory training program designed for normal older adults. The multifactorial program involved the training of three components that are critical to memory functioning: recoding operations, attentional functions and relaxation. Two controls groups...

journal_title：Gerontology

authors： Stigsdotter A,Bäckman L

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Depressed mood may either precede mobility limitation or follow from mobility limitation. OBJECTIVE:To compare mood status among people with manifest mobility limitation, those with preclinical mobility limitation and those without mobility limitation and investigate factors explaining the association betwe...

journal_title：Gerontology

authors： Hirvensalo M,Sakari-Rantala R,Kallinen M,Leinonen R,Lintunen T,Rantanen T

更新日期：2007-01-01 00:00:00

abstract：:Adult stem cells in mammalian organs play pivotal roles in the maintenance and repair of these organs throughout the life of the adult and maintain the proper homeostasis of a tissue or organ. Among the adult stem cells described to date, mesenchymal stem cells (MSCs) are highlighted for clinical applications because ...

journal_title：Gerontology

authors： Yu KR,Kang KS

更新日期：2013-01-01 00:00:00

abstract：:The maximal glucocorticoid responsiveness and the adaptation degree are reduced in old rat liver as demonstrated by cortisol stimulation of RNA polymerases. Nevertheless the concentration of unoccupied 3H-dexamethasone binding sites in molybdate-stabilized cytosol of adrenalectomized old animals is significantly incre...

journal_title：Gerontology

authors： Martin H,Martin R

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND:The perioperative assessment and management of elderly patients with hip fracture and significant aortic stenosis (AS) is an increasingly common clinical problem with little data available to guide perioperative management. OBJECTIVES:It was the aim of this study to examine the incidence of perioperative ev...

journal_title：Gerontology

authors： Leibowitz D,Rivkin G,Schiffman J,Rott D,Weiss AT,Mattan Y,Kandel L

更新日期：2009-01-01 00:00:00

abstract：:The heat shock protein (HSP) system is a mechanism of cell defense induced by stress, constitutively expressed during basal conditions and essential to the maintenance of cellular integrity. Acutely induced HSP synthesis decreases with aging, but the effect of age on the basal expression of HSP70 has not been specific...

journal_title：Gerontology

authors： Maiello M,Boeri D,Sampietro L,Pronzato MA,Odetti P,Marinari UM

更新日期：1998-01-01 00:00:00

abstract：:Walking and other physical activities were studied in a representative population sample of 619 70-year-old people in the city of Gothenburg, Sweden. Walking was the most common physical activity declared, and two thirds of those without an obvious disability walked 30 min or more every day. Subjects who took a daily ...

journal_title：Gerontology

authors： Frändin K,Grimby G,Mellström D,Svanborg A

更新日期：1991-01-01 00:00:00

abstract：:To determine the influence of age, disease and other factors on anthropometric indices in elderly subjects aged 70 years and above, body mass index (BMI), arm muscle circumference (AMC), corrected arm muscle area (CAMA), fat-free mass (FFM) and total body fat (TBF) were determined in a random sample of 990 Chinese men...

journal_title：Gerontology

authors： Woo J,Ho SC,Sham A,Yuen YK,Chan SG

更新日期：1995-01-01 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：BACKGROUND:The chronological age is clearly the strongest risk factor for fractures or death. Age as a concept can be described exactly as chronological age. Age in relative terms can be described as biological age. OBJECTIVE:We postulated that, even without taking into account known or unknown comorbidity, an immedia...

journal_title：Gerontology

authors： Gerdhem P,Ringsberg K,Akesson K,Obrant KJ

更新日期：2004-09-01 00:00:00

abstract：:We examined age- and diet-related alterations in RNA poly(A) tail length using high-resolution gel electrophoresis followed by Northern hybridization. The results demonstrate conclusively that there is no age-related decrease in the size of the Poly(A) tail of RNA isolated from the male Fischer 344 rat. In contrast, o...

journal_title：Gerontology

authors： Kristal BS,Conrad CC,Richarson A,Yu BP

更新日期：1993-01-01 00:00:00

abstract：:The effect of centrophenixine has been studied on the monovalent electrolyte contents of the brain cortical cells of old female Wistar rats by means of energy dispersive x-ray microanalysis. The drug was administered in form of an intraperitoneal injection of 100 mg/kg body weight for 20 days. The treatment decreased ...

journal_title：Gerontology

authors： Zs-Nagy I,Pieri C,Giuli C,Del Moro M

更新日期：1979-01-01 00:00:00

abstract：:Normal circulating red blood cells (RBCs) and platelets have been shown to have small amounts of IgG on their membranes. The cell-bound IgG may be cytophilic (IgG nonspecifically adsorbed from the plasma) and/or IgG autoantibody. It has been suggested that most of the RBC-bound IgG is on older RBCs and is an autoantib...

journal_title：Gerontology

authors： Garratty G

更新日期：1991-01-01 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：:The rates of collagen fibril formation are, under otherwise identical conditions, a function of the age of the acid-soluble rat tail tendon collagen utilized. The rate is most rapid with young adult (165 day) collagen, which exhibits no induction period before collagen multimerization begins. In contrast, 21-day colla...

journal_title：Gerontology

authors： Brooks C,Simons ER

更新日期：1978-01-01 00:00:00

abstract：BACKGROUND:Functional and physiological declines in advancing age may be significant limiting factors in reduced physical activity. Sarcopenia of aging, as a normative process or disease, cannot entirely explain reduced physical activity in the elderly. OBJECTIVE:The purpose of the study was to investigate the relatio...

journal_title：Gerontology

authors： Carmeli E,Reznick AZ,Coleman R,Carmeli V

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND:compared with other vertebrate taxa, mammals possess a very limited capacity for appendage regeneration. The antlers of deer are an exception in that they are periodically lost and fully regenerated throughout the life of an individual. OBJECTIVE:in this paper we compare certain aspects of antler regenerati...

journal_title：Gerontology

authors： Kierdorf U,Kierdorf H

更新日期：2011-01-01 00:00:00

abstract：:Protein malnutrition is associated with a decreased febrile and acute phase response to infection and increased mortality. To elucidate a cause for this poor response, we assessed the effect of chronic protein malnutrition on monocyte production of the pyrogens interleukin-1 (IL-1) and tumor necrosis factor (TNF). Thi...

journal_title：Gerontology

authors： Bradley SF,Vibhagool A,Fabrick S,Terpenning MS,Kauffman CA

更新日期：1990-01-01 00:00:00

abstract：:We use nerve tissue cultures as a model system for studying the mode of action of centrally acting drugs. Neurons in cerebellar cultures retain a number of organ-specific properties including the formation of complex synaptic networks and characteristic bioelectric activity. Electrical activity may be recorded from Pu...

journal_title：Gerontology

authors： Gähwiler BH

更新日期：1978-01-01 00:00:00

abstract：BACKGROUND:Paratonia is a distinctive form of hypertonia, causing loss of functional mobility in early stages of dementia to severe high muscle tone and pain in the late stages. For assessing and evaluating therapeutic interventions, objective instruments are required. OBJECTIVE:Determine the psychometric properties o...

journal_title：Gerontology

authors： Drenth H,Zuidema SU,Krijnen WP,Bautmans I,van der Schans C,Hobbelen H

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:Hearing impairment (HI) is a very common condition in elderly people and the epidemiology together with hearing-related problems is still poorly investigated. Moreover, the cognitive status may be impaired in relation to hearing function. OBJECTIVE:The goal of the study was to evaluate: (a) the prevalence o...

journal_title：Gerontology

authors： Cacciatore F,Napoli C,Abete P,Marciano E,Triassi M,Rengo F

更新日期：1999-11-01 00:00:00

abstract：:Aging is a complex biological phenomenon which involves progressive loss of different physiological functions of various tissues of living organisms. It is the inevitable fate of life and is a major risk factor for death and different pathological disorders. Based on a wide variety of studies performed in humans as we...

journal_title：Gerontology

authors： Chakravarti B,Chakravarti DN

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Previous extensive clinical studies, using angiography or ultrasound, investigated the influence of alimentary, medicamentous and other antiatherosclerotic measures on the degree of atherosclerosis. The following signs of regression were found: clinical improvement, changes in tonus of vascular walls, format...

journal_title：Gerontology

authors： Kunz J

更新日期：2002-09-01 00:00:00

abstract：:Two kinds of evidence, taken in conjunction, indicate that Orgel's theory is inapplicable to a wide range of disorders of senescence in man. The age dependence and the anatomical distribution of the lesions of such disorders imply a Burnet type 'forbidden clone' theory of ageing. We describe the difficulty of establis...

journal_title：Gerontology

authors： Burch PR,Jackson D

更新日期：1976-01-01 00:00:00

abstract：:Cyclic AMP-dependent and -independent protein kinase have been isolated from livers of rats at 3, 9, 18 and 30 months of age. A preliminary characterization reported here reveals that in addition to a decrease in their activities due to ageing and a likely shift to cyclic AMP-independent casein kinase activity at 30 m...

journal_title：Gerontology

authors： Kumar R,Chiero L,Rodriguez D

更新日期：1984-01-01 00:00:00