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Zinc hydroxide stimulates superoxide production by rat alveolar macrophages.
The findings indicate that zinc hydroxide formation from zinc compounds can stimulate the O2- production by alveolar macrophages by receptor-mediated and Ca(2+)-dependent process. Expand
Effects of diethyldithiocarbamate on activating mechanisms of neutrophils.
The results suggest that diethyldithiocarbamate may stimulate O2- production by a guanosine 5'-triphosphate protein-mediated and Ca(2+)-dependent process and that the increase in O1- release by neutrophils may be dependent on the direct stimulation of the signal transduction pathway. Expand
Prostaglandin I(2), a possible thermo-sensory mediator in Paramecium.
Paramecium may be a useful model for the investigation of the molecular basis of thermo-sensory mechanisms, and an arachidonic acid metabolite was rapidly increased in response to the cooling stimulus, suggesting that prostaglandin biosynthesis plays a crucial role in the cooling-s Sensory transduction. Expand
Activation of prostacyclin synthesis by mechanical stimulation in the ciliated protozoan Tetrahymena thermophila.
Results indicate that a free-living ciliate, T. thermophila, synthesizes and has a specific sensitivity to PGI(2), which is a stable metabolite of prostacyclin in [1-(14)C]arachidonate metabolites from the ciliated protozoan Tetrahymena thermophILA. Expand
Radioactive rare gas holdup system