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Keyword: ageing
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Articles
Clin Sci (Lond) (2017) 131 (15): 1895–1904.
Published: 07 July 2017
...Rungong Yang; Shuhong Fu; Liang Zhao; Bei Zhen; Ling Ye; Xiaolu Niu; Xiaoxia Li; Pumin Zhang; Jie Bai Growth differentiation factor 11 (GDF-11) has been implicated in reverse effects of ageing on the central nervous system of humans. β2-microglobulin (β2-MG) has been reported to negatively regulate...
Articles
Clin Sci (Lond) (2017) 131 (11): 1069–1092.
Published: 17 May 2017
...Marie Frimat; Maité Daroux; Rachel Litke; Rémi Nevière; Frédéric J. Tessier; Eric Boulanger Advanced glycation end-product (AGE) is the generic term for a heterogeneous group of derivatives arising from a non-enzymatic reaction between reducing sugars and proteins. In recent years, evidence has...
Articles
Clin Sci (Lond) (2017) 131 (9): 803–822.
Published: 19 April 2017
... Biochemical Society 2017 ageing cardiovascular diseases gender metabolic diseases mitochondria neurological disorders oxidative stress sex sexual dimorphism Sexual dimorphism in anatomical, physiological, and behavioral traits is a characteristic of mammalian species and results from...
Articles
Clin Sci (Lond) (2016) 130 (5): 337–348.
Published: 26 January 2016
... chronic disease. Sex has an impact on the severity of cardiovascular risk in experimental models of developmental insult. Yet, few studies examine the influence of sex on blood pressure and cardiovascular health in low-birth weight men and women. Fewer still assess the impact of ageing on sex differences...
Articles
Clin Sci (Lond) (2015) 129 (12): 1163–1172.
Published: 30 October 2015
... property of baroreflex functioning, so our goal is to investigate whether it represents a ‘natural’ partition of BRS values. As reduced baroreflex responsiveness is also associated with ageing, we investigated whether a BRS estimate <3 ms/mmHg could be the result of a process of physiological senescence...
Articles
Clin Sci (Lond) (2015) 129 (2): 159–167.
Published: 24 April 2015
... hypothesized that (i) local 5-MTHF administration and (ii) chronic folic acid supplementation would improve cutaneous microvascular function in ageing through NO-dependent mechanisms. There were two separate studies in which there were 11 young (Y: 22±1 years) and 11 older (O: 71±3 years) participants. In both...
Articles
Clin Sci (Lond) (2015) 128 (12): 839–861.
Published: 27 March 2015
...Dionne E.M. Maessen; Coen D.A. Stehouwer; Casper G. Schalkwijk The formation and accumulation of advanced glycation endproducts (AGEs) are related to diabetes and other age-related diseases. Methylglyoxal (MGO), a highly reactive dicarbonyl compound, is the major precursor in the formation of AGEs...
Articles
Clin Sci (Lond) (1998) 94 (5): 549–555.
Published: 01 May 1998
... formation and rate of fracture repair observed with ageing and in osteoporosis has been suggested to be due to a decrease in numbers of these progenitors, but human studies are limited. 2. We have tested the potential to form CFU-F in a total of 99 patients undergoing corrective surgery (16 controls, 14–48...
Articles
Clin Sci (Lond) (1996) 91 (5): 621–626.
Published: 01 November 1996
...J. H. Knudsen; F. Gustafsson; J. Toft; N. J. Christensen 1. We studied 37 healthy men at rest in the supine position to examine the effect of ageing, smoking and physical training on β 2 -adrenoceptor function, plasma catecholamines and the proportions of various lymphocyte subsets. 2. In 14 young...
Articles
Clin Sci (Lond) (1996) 90 (6): 485–492.
Published: 01 June 1996
... elderly ( P < 0.002). 4. Interactions between facial cooling and orthostatic reflexes induced by lower-body negative pressure showed significantly different age-related linear trends. Facial cooling diminished the hypotension induced by lower-body negative pressure in both groups. Facial cooling had a...
Articles
Clin Sci (Lond) (1995) 88 (2): 211–217.
Published: 01 February 1995
... mediators. Mortality from endotoxaemia is highly age related. 2. These studies focus on the role of hepatic Kupffer cells in the increased sensitivity of old rats to bacterial endotoxins. Possible age-related changes in the production of eicosanoids and induction of gene expression and secretion of...
Articles
Clin Sci (Lond) (1994) 87 (3): 297–302.
Published: 01 September 1994
...G. A. Ford; O. F. W. James 1. Cardiac chronotropic responses to isoprenaline are reduced with ageing in man. It is unclear whether this is due to reduced cardiac β-adrenergic sensitivity or to age-associated differences in reflex cardiovascular responses to the vasodilatory effects of isoprenaline...
Articles
Clin Sci (Lond) (1994) 87 (2): 259–267.
Published: 01 August 1994
... vasodilatory adenosine receptors in the splanchnic circulation, we postulated that caffeine would reduce splanchnic blood pooling and prevent the development of postprandial hypotension. 3. We conducted a randomized, double-blind, placebo-controlled, cross-over study in nine elderly patients [age 76 ± 9 (SD...
Articles
Clin Sci (Lond) (1994) 86 (1): 43–48.
Published: 01 January 1994
... thrombosis, while small molecules, including protective Protein C, redistribute to interstitial fluid. 4 6 1993 11 8 1993 © 1994 The Biochemical Society and the Medical Research Society 1994 ageing cholesterol cold diuresis Factor X fibrinogen haemoconcentration Protein C...
Articles
Clin Sci (Lond) (1993) 85 (2): 203–211.
Published: 01 August 1993
...N. Meskini; G. Nemoz; P. Chapuy; P. Haond; J. F. Pageaux; E. Vericel; M. Lagarde; A. F. Prigent 1. Since ageing has been associated with a decrease in both immune responses and antioxidant defences, this study was undertaken to compare the glutathione peroxidase activity in peripheral blood...
Articles
Clin Sci (Lond) (1993) 84 (5): 573–579.
Published: 01 May 1993
... sialic acid content of gastric aspirates collected under resting conditions from 77 patients with non-ulcer dyspepsia was found to decrease with age from >100 μg/ml at 25 years and younger to <20 μg/ml above 70 years of age. 3. Analysis of the sialic acids by gas chromatography, mass spectrometry...
Articles
Clin Sci (Lond) (1993) 84 (3): 331–337.
Published: 01 March 1993
...E. J. Bassey; U. J. Harries 1. The maximal grip strength of the hand has been measured in a random sample of 359 men and 561 women aged over 65 years living in their own homes. The response rate was 80% from a representative demographic area of the U.K. Measurements were made of body mass, skeletal...
Articles
Clin Sci (Lond) (1993) 84 (1): 95–98.
Published: 01 January 1993
...S. K. Phillips; K. M. Rook; N. C. Siddle; S. A. Bruce; R. C. Woledge 1. The time-course of the age-related decline in specific muscle force (maximum voluntary force per cross-sectional area) in men and women was determined by measuring the maximum voluntary force and cross-sectional area of the...
Articles
Clin Sci (Lond) (1992) 83 (4): 489–494.
Published: 01 October 1992
... challenge samples. 2. Using a multivariate regression model, with predictor variables of chronological age, menopausal age and body mass index, neither chronological age nor menopausal age correlated with fasting or post-challenge plasma glucose or C-peptide concentrations. In contrast, menopausal age was...
Articles
Clin Sci (Lond) (1992) 83 (3): 301–306.
Published: 01 September 1992
...M. Rathaus; Z. Greenfeld; E. Podjarny; M. Brezis; J. Green; J. Bernheim 1. The aim of this investigation was to study the role of prostaglandins in the impaired Na + conservation of the ageing kidney. 2. We measured the urinary excretion of thromboxane B 2 , 6-keto-prostaglandin F 1α and...
Articles
Clin Sci (Lond) (1992) 83 (3): 375–382.
Published: 01 September 1992
...) concentration every 2 h and urinary deoxypyridinoline (a marker of bone collagen resorption) excretion for 8 h periods in 10 pubertal girls (aged 10–14 years), 15 premenopausal women (aged 20–49 years) and 17 postmenopausal women (aged 50–75 years). 2. The serum concentration of bone Gla-protein and the urinary...
Articles
Clin Sci (Lond) (1992) 83 (2): 149–155.
Published: 01 August 1992
...W. Wieling; D. P. Veerman; J. H. A. Dambrink; B. P. M. Imholz 1. The circulatory adjustment to standing was investigated in two age groups. Young subjects consisted of 20 healthy 10–14-year-old girls and boys. Elderly subjects consisted of 40 70–86-year-old healthy and active females and males...
Articles
Clin Sci (Lond) (1991) 81 (s25): 509–514.
Published: 01 October 1991
...J. Duggan; S. Kilfeather; S. L. Lightman; E. O'Brien; K. O'Malley 1. Ageing and hypertension are associated with changes in the way in which the body handles sodium. This may involve changes in plasma atrial natriuretic peptide concentration, since atrial natriuretic peptide is a regulator of...
Articles
Clin Sci (Lond) (1990) 79 (5): 467–470.
Published: 01 November 1990
... women. 2. In contrast, the ability of these cells to bind guanosine 5′-[β, γ-imido]triphosphate, a non-hydrolysable analogue of guanosine 5′-triphosphate, was the same in both groups. 3. These findings are discussed in the context of the decline in immune function which occurs with increasing age...
Articles
Clin Sci (Lond) (1990) 79 (1): 73–79.
Published: 01 July 1990
...B. P. M. Imholz; J. H. A. Dambrink; J. M. Karemaker; W. Wieling 1. Continuous orthostatic responses of blood pressure and heart rate were measured in 40 healthy and active elderly subjects over 70 years of age in order to assess the time course and rapidity of orthostatic cardiovascular adaptation...
Articles
Clin Sci (Lond) (1989) 77 (3): 265–272.
Published: 01 September 1989
... Biochemical Society and the Medical Research Society 1989 ageing autonomic function catecholamines insulin postprandial blood pressure Clinical Science ( 1 989) 77,265-272 265 Effects of meal composition on the postprandial blood pressure, catecholamine and insulin changes in elderly subjects J...
Articles
Clin Sci (Lond) (1989) 76 (5): 487–494.
Published: 01 May 1989
...-asthmatic men who were never-smokers (aged 26-61 years) and in 41 male cigarette smokers (aged 32-64 years). The results were compared with those for spirometry and the single-breath N 2 test which are the most commonly used techniques in epidemiological surveys for detecting the effects of smoking on the...
Articles
Clin Sci (Lond) (1988) 74 (3): 331–334.
Published: 01 March 1988
...Scott L. Mader; Alan S. Robbins; Laurence Z. Rubenstein; Michael L. Tuck; Philip J. Scarpace 1. A number of age-related changes have been reported in the catecholamine–adrenoceptor–adenylate cyclase system. Most of the data available on these alterations come from resting subjects; the response to...
Articles
Clin Sci (Lond) (1987) 73 (5): 507–513.
Published: 01 November 1987
...Pamela B. Davis; Catherine Silski 1. Platelets taken from healthy unmedicated subjects over 65 years of age display less inhibition of prostaglandin E 1 (PGE 1 )-stimulated adenosine 3′:5′-cyclic monophosphate (cyclic AMP) synthesis by noradrenaline than do platelets taken from young adults aged 18...
Articles
Clin Sci (Lond) (1987) 73 (1): 105–108.
Published: 01 July 1987
...Yoko Nagata; Toyoaki Akino; Kimiyoshi Ohno; Yoshimitsu Kataoka; Takahiro Ueda; Tetsuo Sakurai; Koh-Ichi Shiroshita; Takuji Yasuda 1. Minute but appreciable amounts of d -amino acids were detected in normal human plasma. 2. The content was significantly higher in an elderly population (age 76 ± 6...
Articles
Clin Sci (Lond) (1986) 70 (1): 59–62.
Published: 01 January 1986
... previously published by us, suggest that cyclic AMP production and cellular functions which this molecule participates in are reduced in cells from elderly individuals. 18 7 1985 30 7 1985 © 1986 The Biochemical Society and the Medical Research Society 1986 ageing chemotaxis...
Articles
Clin Sci (Lond) (1985) 69 (3): 337–341.
Published: 01 September 1985
...Lewis A. Lipsitz; Helene A. Storch; Kenneth L. Minaker; John W. Rowe 1. Orthostatic hypotension, an age-related phenomenon, has been associated with hypertension and body weight variability. To evaluate the relative contributions of blood pressure elevation and abnormalities in extracellular volume...
Articles
Clin Sci (Lond) (1985) 69 (2): 197–205.
Published: 01 August 1985
...Lydia Makrides; George J. F. Heigenhauser; Neil Mccartney; Norman L. Jones 1. Fifty males and 50 females, 15-71 years of age, exercised maximally for 30 s on an isokinetic ergometer at a pedalling frequency of 60 rev./min. Results were compared with maximal oxygen uptake (VO 2 max.) obtained in a...
Articles
Clin Sci (Lond) (1985) 68 (s10): 133s–136s.
Published: 01 January 1985
...J. R. Docherty; K. O'Malley 1. Ageing changes in α-adrenoceptors can be summarized as follows: except in the eye, where there is an apparent increased responsiveness with increasing age in man, peripheral α-adrenoceptor responsiveness has generally been found to be either unchanged or reduced with...
Articles
Clin Sci (Lond) (1984) 66 (6): 697–699.
Published: 01 June 1984
...D. Fitzgerald; V. Doyle; J. G. Kelly; K. O'Malley 1. The heart rate response to isoprenaline in 11 subjects aged 19–46 years was compared with lymphocyte β-adrenoceptor numbers and lymphocyte cyclic AMP responsiveness. 2. The dose of isoprenaline required to increase heart rate by 25 beats/min...
Articles
Clin Sci (Lond) (1982) 63 (s8): 305s–308s.
Published: 01 October 1982
... prazosin's α-receptor-blocking effects. 6. Although there is no evidence of an age-related increase in the sensitivity of α-adrenoceptor-mediated vasoconstriction, the results are not inconsistent with an age-related reduction in α-adrenoceptor responsiveness. © 1982 The Biochemical Society and the Medical...
Articles
Clin Sci Mol Med (1976) 51 (6): 609–612.
Published: 01 December 1976
... was no significant difference between the two age groups. 5. The assessment was found to correlate moderately well with a conventional assessment of physical condition based on oxygen uptake from tests on a bicycle ergometer. 6. The test could also be used as a performance index since walking speed...
Articles
Clin Sci Mol Med (1974) 47 (1): 93–95.
Published: 01 July 1974
...A. De Bats; A. H. Gordon; E. L. Rhodes 1. The glomerular sialic acid content of kidneys from diabetic subjects, aged subjects and healthy young individuals was determined. 2. Similar mean sialic acid contents were found in the glomeruli of elderly diabetic subjects, and in age- and sex-matched non...