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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 526 (1988), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 11 (1980), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The influence of prednisolone on monocyte chemotactic activity in vitro at prednisolone concentrations comparable with those achieved in man following oral dosage has been investigated. Chemptactic activity of monocytes from each of sixteen normal subjects was suppressed by concentrations of prednisolone as low as 25 ng/ml (suppression of chemotaxis, 20%). Maximal suppression occurred at 100 ng/ml (suppression of chemotaxis, 48%) and no significant increase in suppression was produced by increasing the concentration to 200 ng/ml (suppression of chemotaxis, 53%). In contrast, monocytes isolated from ten patients receiving corticosteroid therapy showed no significant suppression of chemotactic activity when exposed to these concentrations of prednisolone, even though they exhibited a normal ability to respond to a chemotactic stimulus. The lack of suppression of monocyte chemotaxis in patients receiving corticosteroid therapy is unexplained, but may represent a change in the circulating monocyte or lymphocyte populations.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Nutrition 16 (1996), S. 139-160 
    ISSN: 0199-9885
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 18 (1983), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Supernatants harvested from peripheral blood mononuclear cells (PBMC) incubated either with the non-specific mitogen phytohaemagglutinin-P (PHA) or with the specific antigen tuberculin purified protein derivative for 72 h decreased collagen synthesis by dermal fibroblasts. PHA-induced mononuclear cell factors (PHA-MCF) responsible for decreases in collagen synthesis by dermal fibroblasts were localized by column chromatography on Sephacryl S-200 to fractions of 30,000-60,000 daltons. Proteolytic enzymes destroyed the activity of PHA-MCF, but after incubation with neuraminidase some activity of these factors remained, The activity of PHA-MCF was not inhibited by incubation with the monosaccharides L-fucose, L-rhamnose. N-acetylglucosamine, and α-melhyl-D-mannoside but was partially destroyed by heating at 80°C for 10 min. The factors were not mitogenic to PBMC. These factors did not appear to resemble any previously characterized factors produced by non-adherent mononuclear cells. The mechanism by which these factors decreased fibroblast collagen synthesis appeared complex. There was no detectable increase in the release of collagenasc by fibroblasts, nor was a cytotoxic effect apparent. Increased PGE2 production by fibroblasts could not be related to the factor-induced decrease in fibroblast collagen synthesis.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 12 (1980), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The physical interaction between human monocytes and autologous T lymphocytes was studied in cultures of cells from tuberculin-sensitive individuals to which purified protein derivative of tuberculin had been added. Such cultures displayed formation of cell aggregates, each typically consisting of one or two monocytes to which several lymphocytes adhered by means of uropods. The capacity of monocyte-T-lymphocyte mixtures to produce this type of aggregate in response to tuberculin correlated with the tuberculin sensitivity of the cell donor as measured by skin test.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 15 (1988), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The effects of caffeine ingestion and cigarette smoking on caffeine and antipyrine pharmacokinetics were studied using normal subjects as their own controls before and after cessation of smoking in an attempt to minimize genetic and other environmental influences.2. Moderate caffeine ingestion had no inducing effect on caffeine or antipyrine clearance.3. Cessation of cigarette smoking significantly reduced clearance of caffeine and antipyrine.4. These results demonstrate that cigarette smoking significantly affects caffeine pharmacokinetics and this may contribute to the variable results for caffeine kinetics found in patients with liver disease.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 6 (1979), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. Drug metabolism was assessed by the disappearance rate of antipyrine as measured in saliva. Results were expressed in terms of both clearance and half life.2. Basal measurements of antipyrine disappearance rate were performed in seven non-smokers and six smokers. After administration of glutethimide 250 mg daily for 7 days a second measurement of antipyrine disappearance rate was made.3. Glutethimide enhanced antipyrine metabolism in both smokers and non-smokers. The degree of change in both groups was similar.4. A similar study was carried out with a smaller dose (125 mg) of glutethimide. There was no significant difference between smokers and non-smokers.5. The data are consistent with smoking and chronic drug ingestion having additive effects on enhancement of hepatic drug metabolism.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 13 (1986), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. Ten healthy male volunteers were each studied on four separate occasions to assess the role of regular caffeine and alcohol intake on caffeine elimination. Antipyrine disappearance was also studied as an established quantitative test of hepatic microsomal function.2. Regular caffeine intake in high doses for 1 week failed to alter either antipyrine or caffeine pharmacokinetics.3. In contrast, alcohol intake of 50 g/day significantly prolonged caffeine half-life by 72% (P〈0.005) and diminished caffeine clearance by 36% (P〈0.0005). However, antipyrine kinetics were unaltered.4. These results demonstrate that alcohol, in amounts commonly consumed, is a strong inhibitor of caffeine metabolism.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 11 (1997), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Haemochromatosis was first recognized as a disease entity over a century ago and its hereditary nature recognized over 60 years ago. However it was only in late 1996 that the haemochromatosis gene was cloned and a single C282Y mutation confirmed as being the cause of all HLA-linked iron overload in Caucasian populations. Haemochromatosis is common, occurring in approximately 1 in 300 people in Caucasian populations, and untreated can cause serious morbidity and early death. However, the disease remains much underdiagnosed for reasons such as lack of awareness of the disease, the presence of normal liver function tests and the lack or non-specific nature of symptoms. A␣commercially available DNA-based test for the haemochromatosis gene is likely to be available in the near future but its place in the diagnosis and management of the disorder is not yet clear. Assessment of body iron stores by measurement of serum ferritin and transferrin saturation, hepatic iron stores and hepatic architecture by liver biopsy will remain important in the future. The haemochromatosis mutation itself has as yet no known influence on morbidity other than via iron loading and organ failure, in particular, hepatic cirrhosis. Thus, diagnosing patients before the development of hepatic cirrhosis is crucial because iron depletion by venesection treatment before the development of cirrhosis results in a normal life expectancy.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 18 (1983), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Peripheral blood mononuclear cells (PBMC) incubated either with phytohaemagglutinin-P (PHA) under serum-free conditions or with tuberculin purified protein derivative in the presence of 5% human blood group AB serum released into the culture medium factors that decreased collagen synthesis by dermal fibroblasts. These factors were first detected after incubation of PBMC with PHA for 24 h and were produced by non-adherent cells. The decrease in collagen synthesis was observed despite changes in conditions of fibroblast culture, the addition of a cross-linking inhibitor, and the use of different fibroblast cell lines.
    Type of Medium: Electronic Resource
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