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The experiment was conducted on the influence of testosterone on the activity of ten lysosomal enzymes in the mouse liver and kidney. Mice were divided into two feeding group [control 16% protein] and [10% protein] in diet. The animals of the both groups were injected with 0.05 mg/kg b.w. of testosterone intraperitoneally. In the lysosomal fraction of the liver and kidney the activity of lysosomal enzymes were estimated. Testosterone decreased activity of all investigated enzymes in the liver, except alanine aminopeptidase, cathepsins D and L, lysosomal lipase. In the lysosomal fraction of the kidney testosterone decreased of all lysosomal enzymes, too, except alanine aminopeptidase. The results suggest that exogenous testosterone and different proteins diet had a significant influence on the activity of investigated lysosomal enzymes.
The studies have been conducted on 40 male mice. The experiment was connected with the influence of B₁, B₂ and B₆ vitamins on some lysosomal enzyme activities in the liver and kidney. The thiamin injection decreased lysosomal esterase, lysosomal lipase and alanine aminopeptidase activities in the liver; the ryboflavin injection - lysosomal esterase and alanine aminopeptidase, and pyridoxine injection - lysosomal esterase, cathepsin D and L and alanine aminopeptidase. Ryboflavin increased the activity of β-glucuronidase, N-acetyl-β-glucosaminidase, acid phosphatase and leucine aminopeptidase in the liver; pyridoxine N-acetyl-β-glucosaminidase and leucine aminopeptidase activity. Thiamin increased β-glucuronidase, β-galactosidase, N-acetyl-β-glucosaminidase, acid phosphatase, lysosomal lipase, cathepsin D and L, leucine aminopeptidase and alanine aminopeptidase activity in the kidney; ryboflavin - β-glucuronidase, β-galactosidase, N-acetyl-β-glucosaminidase, acid phosphatase, lysosomal lipase, cathepsin D and L, leucine aminopeptidase and alanine aminopeptidase activity, while pyridoxine - β-glucuronidase, β-galactosidase, N-acetyl-β-glucosaminidase, acid phosphatase, leucine aminopeptidase and alanine aminopeptidase. Vitamins B₁, B₂ and B₆ only decreased lysosomal esterase activity in the kidney. In comparison with the liver, the kidney revealed the greater reactivity of the studied lysosomal enzymes.
Changes in the activity of β-glucuronidase, N-acetyl- β -glucosaminidase, cathepsin D and cathepsin L in the liver and kidney of mice, injected intraperitonealy with 15 µg/kg b.w. of glucagon were investigated. The experiment was carried out on 24 8-week-old mice, whose parents were chosen from random match. The homogenates of the liver and kidney were subjected to differentiate centrifuging, and in the lysosomal fractions of the liver and kidney the activities of β -glucuronidase [β -GlcUr], N-acetyl- β -glucosaminidase [NAG], cathepsin D [Cath. D], and cathepsin L [Cath. L] were estimated. Injection of glucagon caused a decrease in the activity of β -glucuronidase in the liver and kidney, cathepsin L in the liver, N-acetyl-b-glucosaminidase in the kidney, and an increase cathepsin D and cathepsin L in the kidney of mice. The results suggest that exogenous glucagon had a significant influence on the activity investigated lysosomal enzymes. The range of the reaction remained in a relationship with the kind of the organ and type of enzyme.
IL-3 najeży do multiliniowych stymulatorów hematopoezy, działających w obrębie puli komórek macierzystych. Istnieją nieliczne doniesienia, iż IL-3 podobnie jak inne cytokiny hematopoetyczne działa na funkcje dojrzałych komórek, ale stwierdzono to tylko w warunkach in vitro. W niniejszej pracy wykazano wpływ IL-3 na funkcje fagocytarne, właściwości bakteriobójcze i aktywność enzymów lizosomalnych granulocytów w warunkach żywego organizmu myszy.
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