Susan Gurofsky

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Fumonisins B1 and B2 (FB1 and FB2) are fungal secondary metabolites produced by members of the genus Fusarium. Although FB1 is usually detected in greater quantities, FB2 frequently co-occurs in contaminated feeds and foods and contributes to the total toxin load. In the present study, the comparative toxicity of FB1 and FB2 was examined in male(More)
Fluorescently labeled vinculin binds to focal contact areas in permeabilized cells independent of actin (Avnur, Z., J. V. Small, and B. Geiger, 1983, J. Cell Biol., 96:1622-1630), but the nature of the binding site is unknown. In this study we have examined the interaction of vinculin with these sites in permeabilized L6 myoblasts to define conditions that(More)
Furan is produced in foods during processing and preservation techniques that involve heat treatment. Previously, we reported that furan-exposed rats exhibited dose-dependent gross and histological changes in liver which correlated with changes in liver serum enzymes ALT, AST and ALP. Here we report the effects of furan on the male reproductive system.(More)
Male and female Sprague-Dawley rats were fed diets incorporating lyophilized chinook salmon obtained from Lake Ontario and Lake Huron. After 70 days, females were bred and the progeny (F1) were reared on the same fish-based diets as the adults (F0). After 78-133 days on the diets, males and females of both generations were sacrificed and hepatic microsomal(More)
The monocytosis-producing activity (MPA) from Listeria monocytogenes is shown to be associated with the cell envelope. Both MPA and immunosuppressive activity were readily extracted with aqueous solvents and separated as two independent activities by gel filtration and ion-exchange chromatography. As little as 10 microng of the resulting MPA-containing(More)
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