Decreased plasma taurine in aged rats.

abstract：:A prospective study of post-operative morbidity in 258 elderly general surgical patients is reported. In 35% of patients no post-operative complications developed. Respiratory, wound and cardiac complications were the leading types of post-operative morbidity encountered, occurring in 39.5, 16.3, and 12.4% of patients...

journal_title：Gerontology

authors： Seymour DG,Pringle R

更新日期：1983-01-01 00:00:00

abstract：:To investigate the mechanisms of age-related decline in synthesis of adrenal androgen, we studied the contents of cortisol (F) and dehydroepiandrosterone (DHEA) and the amounts of cytochrome P450 17 alpha-hydroxylase (P450c17) mRNA and cytochrome P450 11 beta-hydroxylase (P450c11) mRNA in young (1 year old) and senesc...

journal_title：Gerontology

authors： Ogo A,Haji M,Ohashi M,Nawata H

更新日期：1991-01-01 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：:Various parameters of copulatory behavior were examined in intact and castrated testosterone-(T-)treated male rats of various ages ranging from 3 to 27 months. Serum T levels were controlled by subcutaneous implantation of different sizes of T-filled Silastic capsules at the time of castration. In intact male rats, sc...

journal_title：Gerontology

authors： Hsu HK,Hsu C,Yu JY,Peng MT

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:In Japan, vascular dementia (VD) has been responsible for the majority of all dementia cases in both epidemiological and neuropathological studies. Recently, however, several epidemiological investigations have shown that the rate of VD has decreased and senile dementia of the Alzheimer type (SDAT) is now th...

journal_title：Gerontology

authors： Seno H,Ishino H,Inagaki T,Iijima M,Kaku K,Inata T

更新日期：1999-01-01 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：BACKGROUND:The common cause account suggests that there is a third factor causing aging effects in both sensory and cognitive functioning, hypothesized to be the integrity of the central nervous system [Lindenberger and Baltes; Psychol Aging 1994;9:339-355]. Importantly, the common cause account was developed based on ...

journal_title：Gerontology

authors： Sternäng O,Jonsson B,Wahlin A,Nyberg L,Nilsson LG

更新日期：2010-01-01 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：BACKGROUND:It is known that growth factors play a role in ageing and atherogenesis, and insulin develops mitogenic activity in vitro. OBJECTIVES:This study focuses on the pathway by which insulin induces proliferation and mobility in vascular smooth muscle cells (SMCs) compared with that of insulin-like growth factor-...

journal_title：Gerontology

authors： Ruiz-Torres A,Lozano R,Melón J,Carraro R

更新日期：2005-07-01 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：: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：BACKGROUND:One of the earliest and most persistent inquiries in developmental psychology is that of the relative contributions of nature and nurture to human ontogeny. One way of studying this distinction is by doing cross-cultural studies, in which culture provides a powerful way to operationalize the influence of nur...

journal_title：Gerontology

authors： Luszcz M

更新日期：2006-01-01 00:00:00

abstract：:Aging researchers have long been interested in understanding individuals' subjective perceptions of their own memory functioning. Previous research has shown that subjective memory ratings are partly based on memory performance but also reflect the influence of other factors, such as depressive symptoms. The aim of th...

journal_title：Gerontology

authors： Hülür G,Hertzog C,Pearman AM,Gerstorf D

更新日期：2015-01-01 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：OBJECTIVES:Due to an increase in the percentage of older people in industrialized countries there is an increasing demand for medical care for the elderly. With advancing age, a series of structural, architectural and compositional modifications take place in the vasculature. Therefore, we analyzed the influence of pat...

journal_title：Gerontology

authors： Kröger K,Strubel G,Poser M,Pratikto T,Renzing-Köhler K,Rudofsky G

更新日期：2004-11-01 00:00:00

abstract：:We performed 24-hour ambulatory electrocardiographic (Holter) examinations in 50 retired hospital workers (30 men, 20 women), aged 58-85 years (mean age +/- SD: 65.9 +/- 4.6 years), with a normal clinical history, physical examination and baseline ECG. There was a significant difference between daytime and nocturnal m...

journal_title：Gerontology

authors： Ribera JM,Cruz AJ,Zamorano JL,Pérez-Casar F

更新日期：1989-01-01 00:00:00

abstract：:Although it is usually assumed that Lamarckian inheritance does not and cannot occur, molecular mechanisms by which non-mutational changes acquired in one generation can be transmitted to the next are now known. These mechanisms involve changes in chromatin structure, rather than changes in DNA base sequence. It is ar...

journal_title：Gerontology

authors： Jablonka E,Lamb MJ

更新日期：1990-01-01 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：: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：: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：: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：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:Disturbance of vertical eye movement and ocular convergence is often observed in elderly people, but little is known about its frequency. OBJECTIVE:The purpose of this study was to investigate age-associated changes in vertical eye movement and convergence in healthy elderly people, using a digital video ca...

journal_title：Gerontology

authors： Oguro H,Okada K,Suyama N,Yamashita K,Yamaguchi S,Kobayashi S

更新日期：2004-05-01 00:00:00

abstract：:The objective of this work was to study patients' self-appraisal of total knee arthroplasty (TKA) 6 and 12 months postoperatively, and to establish which factors determine dissatisfaction from surgery. The study group consisted of 79 patients subjected to TKA who underwent rehabilitation in a specialized institution f...

journal_title：Gerontology

authors： Dickstein R,Heffes Y,Shabtai EI,Markowitz E

更新日期：1998-01-01 00:00:00

abstract：:The subcellular distribution of estradiol following the in vivo administration of 3H-estradiol, cytosol and nuclear estrogen receptor after in vitro incubation with 3H-estradiol were studied in young adult female rats (3-6 months old) and old female rats (over 18 months old). After intravenous injection of 3H-estradio...

journal_title：Gerontology

authors： Jiang MJ,Peng MT

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND:Developmental researchers use a variety of research designs to examine aging-related changes. Most longitudinal studies of aging are based on research designs that feature successive, widely spaced, assessments to estimate changes in cognitive performance. Such designs assume that short-term variations in co...

journal_title：Gerontology

authors： Martin M,Hofer SM

更新日期：2004-01-01 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：: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：:We have previously shown that lymphocytes from Alzheimer's disease (AD) patients are hypersensitive to ionising radiation, as revealed by their higher levels of dicentrics than those from age-matched, normal individuals. We have now examined the sensitivity of these cells to N-methyl-N-nitrosourea or methyl methanesul...

journal_title：Gerontology

authors： Tobi SE,Neary D,Itzhaki RF

更新日期：1993-01-01 00:00:00

abstract：:In the present study, we examined the changes that occur with age in anti-idiotype-blocked, hapten-augmentable PFC in the mucosal-associated lymph nodes (MLN and BLN) and spleen of various strains of mice. 2-month-old 129/J, AKR/J, and C57L/J mice had a high percentage of hapten-augmentable PFC in their spleen, MLN, a...

journal_title：Gerontology

authors： Szewczuk MR,Wade AW

更新日期：1985-01-01 00:00:00