Effects of aging on formalin-fixed brain weight in mice and rats.

abstract：:The concentration of malonaldehyde (MDA) was measured in human erythrocytes obtained from subjects suffering from senile dementia of the Alzheimer type (SDAT), non-demented elderly subjects, and from young controls by two methods: high-performance liquid chromatography (HPLC) and the thiobarbituric acid (TBA) test. Th...

journal_title：Gerontology

authors： Bermejo P,Gómez-Serranillos P,Santos J,Pastor E,Gil P,Martín-Aragón S

更新日期：1997-01-01 00:00:00

abstract：:In the United States, an increasing proportion of all forms of reactivation tuberculosis occurs in patients over the age of 60 years. Atypical presentations and presence of chronic illness obscure the diagnosis of tuberculosis in the elderly. Prompt diagnosis requires a high index of suspicion and aggressive procedure...

journal_title：Gerontology

authors： Nagami P,Yoshikawa TT

更新日期：1984-01-01 00:00:00

abstract：:The usual features of Paget's disease of bone, e.g. large head, deafness due to involvement of the 8th cranial nerve and bowing of the legs are all well described in text books of medicine. However, some features such as platybasia with neurological deficit, involvement of the 2nd, 5th and 7th cranial nerves, hydrocep...

journal_title：Gerontology

authors： Chakravorty NK

更新日期：1978-01-01 00:00:00

abstract：:Lymphopenia is a common finding in old people admitted to medical and psychiatric wards. We describe a pilot study of the clinical associations, and prognostic significance of lymphopenia in elderly persons admitted to acute medical and psychiatric wards. Consecutive patients admitted to acute medical and psychiatric ...

journal_title：Gerontology

authors： Dennis MS,Nicolson A,Lehmann AB,Junaid O,Byrne EJ,Hopkinson N

更新日期：1998-01-01 00:00:00

abstract：:Older adults have surprisingly high levels of well-being, which has been referred to as a paradox in the past. Improved emotion regulation has been suggested to underlie these high levels of well-being. Later life is also a period with enhanced exposure to critical life events, and this comes with risks. During such t...

journal_title：Gerontology

authors： Brose A,Ebner-Priemer UW

更新日期：2015-01-01 00:00:00

abstract：:The glucose uptake of lizard brain slices decreased between young and middle-aged groups. There was a significant increase in the parameter between the middle-aged and old-age groups. Cold shock induced a decrease in glucose uptake of brain slices in the old, with no appreciable effect in the young and middle aged. ...

journal_title：Gerontology

authors： Dash BD,Patnaik BK

更新日期：1989-01-01 00:00:00

abstract：:A retrospective study was made of 50 consecutive cases of bacteraemia treated in a geriatric unit. The mortality rate was 24%, the highest incidence occurring amongst the cases of hospital-acquired bacteraemia where only 1 of 7 cases survived the infection. Pyrexia, acute confusion, and falls were the commonest presen...

journal_title：Gerontology

authors： Windsor AC

更新日期：1983-01-01 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：:Because the body composition effects of growth hormone and insulin-like growth factor-I (IGF-I) are opposite to those of advancing age, it has been hypothesized that the decreased activity of the growth hormone-IGF-I axis is partly responsible for the loss of bone and muscle mass that characterizes normal human aging....

journal_title：Gerontology

authors： Boonen S,Lesaffre E,Aerssens J,Pelemans W,Dequeker J,Bouillon R

更新日期：1996-01-01 00:00:00

abstract：:The specific activities of NAD-linked isocitric dehydrogenase were determined in hypothalamus, cerebellum, pons and medulla, striatum, midbrain, and cerebral cortex (which included the hippocampus) of the female Wistar rat. In ageing the specific activities of this enzyme were decreased in all regions. Chronic treatme...

journal_title：Gerontology

authors： Lai JC,Leung TK,Lim L

更新日期：1982-01-01 00:00:00

abstract：:The influence of age and smoking on pharmacokinetics of pindolol and propranolol was investigated. Although there was a statistically significant difference in certain pharmacokinetic parameters (maximum plasma concentration, area under the curve, elimination constant and elimination half-life) between elderly patient...

journal_title：Gerontology

authors： Hitzenberger G,Fitscha P,Beveridge T,Nüesch E,Pacha W

更新日期：1982-01-01 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 effect of aging on plasma erythropoietin (EPO) levels after acute hemorrhage was investigated in ovariectomized (Ovx) rats. Old (22 months), middle (mid)-aged (14 months) and adult (5-6 months) Ovx rats were studied. Rats were anesthetized with ether and bled by heart puncture (5 ml/kg). They were bled again after...

journal_title：Gerontology

authors： Wang RY,Tung YF,Wang PS

更新日期：1995-01-01 00:00:00

abstract：:Measurements of total exchangeable potassium and total exchangeable sodium, total body water and extracellular fluid volumes were made in 69 patients aged 30-90+ years, using multiple isotope techniques. The patients were not suffering from any chronic disorder or having potassium or diuretic therapy and were consider...

journal_title：Gerontology

authors： Cox JR,Shalaby WA

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND:There are limited psychological data on the quality of life and activities of daily living among elderly Japanese who live alone. OBJECTIVE:The aim of this study was to examine the frequency of apathy and its correlation with activities of daily living and with subjective well-being in elderly people living...

journal_title：Gerontology

authors： Yamashita K,Iijima K,Kobayashi S

更新日期：1999-09-01 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：: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：:Dysfunction associated with the aging process positions aging as a leading culprit for development of devastating diseases and mounting health-care costs. Many age-associated conditions for which aging increases risk are neurological disorders with no effective treatments, including Alzhei-mer's disease. As the propor...

journal_title：Gerontology

authors： Castellano JM

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Proxy decision-making may be flawed by inaccurate perceptions of risk. This may be particularly true when older adults are the targets of the decisions, given the pervasive negative stereotypes about older adults. METHODS:In study 1, individuals aged 18- to 87 years (as target persons) as wel...

journal_title：Gerontology

authors： Rolison JJ,Hanoch Y,Freund AM

更新日期：2019-01-01 00:00:00

abstract：:The effect of age on the compositional analysis of human Descemet's membrane was examined. Membranes were obtained from human corneas ranging from 0.5 to 95 years and purified by sodium dodecyl sulfate (SDS) extraction. Substantial age-related changes were obtained in the amino acid compositions of the SDS-insoluble b...

journal_title：Gerontology

authors： Freeman IL,Vergnes JP,Brown SI

更新日期：1980-01-01 00:00:00

abstract：:As populations age globally, the health of older adults is looming larger on the agendas of public health bodies. In particular, the priority is to ensure that older adults remain healthy, independent, and engaged in their communities. In other words, ensuring that increasing life spans are matched by increasing "heal...

journal_title：Gerontology

authors： Doherty TM,Di Pasquale A,Michel JP,Del Giudice G

更新日期：2020-01-01 00:00:00

abstract：:During the past decade, controversy has raged about the necessity of renal biopsy for the management of the idiopathic nephrotic syndrome. The debate has centered on whether a precise diagnosis is imperative for steroid treatment or whether such therapy can be given blindly. The above question has not been addressed i...

journal_title：Gerontology

authors： Moran D,Korzets Z,Bernheim J,Bernheim J,Yaretzky A

更新日期：1993-01-01 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：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：:We review findings on spousal interrelations in old age in such key domains as cognition, well-being, and health. Therein, we demonstrate that spousal interrelations may extend developmental options but may also make an individual vulnerable to the experience of loss. We address theoretical questions concerning possib...

journal_title：Gerontology

authors： Hoppmann C,Gerstorf D

更新日期：2009-01-01 00:00:00

abstract：:Caloric restriction (CR), has been shown to extend average and maximum lifespan in rodents and other animals as well as to delay a wide variety of manifestations of aging. The purpose of this study was to further elucidate the relationship between lipofuscin (LF) accumulation and the aging process by examining the eff...

journal_title：Gerontology

authors： Moore WA,Davey VA,Weindruch R,Walford R,Ivy GO

更新日期：1995-01-01 00:00:00

abstract：:Neuropsychological research contributes to a better understanding of cognitive mechanisms involved in making advantageous decisions, which is important for everyday life. Using laboratory gambling tasks, it has been demonstrated that both structural and functional brain changes can result in disadvantageous decision-m...

journal_title：Gerontology

authors： Brand M,Markowitsch HJ

更新日期：2010-01-01 00:00:00

abstract：:The experimental evidence is reviewed which bears on the theory that aging in mammalian cells may be related to a decline in the efficiency of normal DNA repair processes. Although the data are as yet fragmentary, they do suggest that there is an age-associated decline in the capacity of cells to perform at least cert...

journal_title：Gerontology

authors： Little JB

更新日期：1976-01-01 00:00:00

abstract：:In this paper we asked whether the increased production of two proinflammatory cytokines-tumor necrosis factor-alpha (TNF alpha) and interleukin-6 (IL6) in the absence of the inflammatory stimulus, a phenomenon frequently occurring in the elderly, may contribute to the decrease of natural killer (NK) cytotoxic activit...

journal_title：Gerontology

authors： Myśliwska J,Bryl E,Zorena K,Balon J,Foerster J,Myśliwski A

更新日期：1997-01-01 00:00:00

abstract：:The concentrations of noradrenaline and adrenaline were studied in specimens of the posterior tibial artery obtained from 18 subjects at postmortem examination. The mean noradrenaline concentration was 167 ng/g artery (range 17-449 ng/g) and the mean adrenaline concentration was 5 ng/g (range 0--21 ng/g). There was no...

journal_title：Gerontology

authors： Neubauer B,Christensen NJ

更新日期：1978-01-01 00:00:00