Biomedical subjects
P Milvy
Publications and source records attributed to P Milvy.
Statistics, marathoning and CHD.
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Mutagenicity of u9 major graphic arts and printing dyes.
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Mutagenic studies with acrylonitrile.
The mutagenicity of acrylonitrile (vinyl cyanide, propenenitrile) has been demonstrated in the Ames Salmonella typhimurium/liver microsome assay system. Acrylonitrile, in the presence of a mouse liver homogenate produced mutations in the TA 1535, TA 1538 and TA 1978 strains. Exposure of the bacteria was achieved by spotting the acrylonitrile on a "lawn" of salmonella, by shaking a reaction mixture consisting of bacteria, liver homogenate and acrylonitrile, and by exposing the homogenate and bacteria to an atmosphere containing the acrylonitrile. Mutagenesis by this latter method was observed at exposures as low as 57 ppm, less than three times the TLV of 20 ppm that is designated in the United States.
A critical review of epidemiological studies of physical activity.
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Statistical analysis of deaths from coronary heart disease anticipated in a cohort of marathon runners.
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A critique of several epidemiological studies of physical activity and its relationship to aging, health, and mortality.
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Vinyl chloride dependent mutagensis: effects of liver extracts and free radicals.
The mutagenic effects of vinyl chloride (VC) on Salmonella typhimurium strain TA1530 are enhanced by mouse or rat liver extracts. The extracts prepared from mice pretreated either with vinyl chloride or the microsomal enzyme inducer, Aroclor 1254, did not produce any greater stimulation of VC-dependent mutagenesis than extracts from untreated animals. These same extracts, however, differed markedly in their capacity to stimulate the mutagenicity of dimethylnitrosamine (DMN), a compound which is converted to a mutagen by an NADPH dependent microsomal mixed function oxidase. The order of activity of the extracts with DMN was Aroclor pretreated is greater than untreated is greater than VC pretreated. Furthermore, the stimulatory effect of the liver extracts on VC mediated mutagenesis did not require NADPH and was still evident in liver extracts in which the microsomal mixed function oxidase system had been heat inactivated. The mutagenic activity of VC also was found to be stimulated by riboflavin in the presence of light suggesting that free radicals may be involved in VC dependent mutagenesis.
Mutagenic activity of styrene oxide (1,2-epoxyethylbenzene), a presumed styrene metabolite.
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