Wiktor Rzeczycki

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Rat kidney fibroblasts transformed with SV-40 produce “in vitro” a significantly lower amount of hydroxyproline-containing material which is collagenase sensitive as compared to normal cells. In contrast to normal fibroblast cultures, no collagenous material was found by histochemical methods in intercellular spaces of transformed cultures.
The effect on energetic metabolism of rat liver mitochondria (RLM) of styrene and other aliphatic benzene derivatives, i.e. toluene, ethylbenzene, alpha-methylstyrene and butylbenzene, is studied. It is shown that these compounds uncouple oxidative phosphorylation and this effect is connected with the stimulation of passive entry of protons into(More)
Increased catalase activity was observed in the liver microsomal fraction of ethanol-treated rats (10% v/v aqueous ethanol solution per os for 5 weeks). In contrast, cytochrome P-450 concentration and specific activity of NADPH-cytochrome c reductase remained at the same level as in the liver of control rats (drinking water). The ratio of microsomal(More)