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Träfflista för sökning "FÖRF:(Katarina Persson) srt2:(1995-1999)"

Sökning: FÖRF:(Katarina Persson) > (1995-1999)

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  • Persson, katarina, et al. (författare)
  • Den dynamiska jorden
  • 1999
  • Ingår i: Ytor på djupet (Naturvetenskapliga forskningsrådets årsbok). - : Naturvetenskapliga forskningsrådet. ; , s. 39-51
  • Bokkapitel (populärvet., debatt m.m.)
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  • Nilsson, Bengt-Olof, et al. (författare)
  • Effects of polyamine synthesis inhibition on polyamines, growth and mechanical properties in hypertrophic rat urinary bladder
  • 1998
  • Ingår i: Pharmacology and Toxicology. - 1600-0773. ; 82:6, s. 287-294
  • Tidskriftsartikel (refereegranskat)abstract
    • The polyamines putrescine, spermidine and spermine, are ubiquitous intracellular metabolites associated with growth and protein synthesis. In this study effects of polyamine synthesis inhibition on bladder growth, polyamine levels and mechanical properties were investigated in rat urinary bladder subjected to partial outflow obstruction that causes bladder hypertrophy. The S-adenosyl methionine decarboxylase inhibitor CGP-48664 (5 and 20 mg kg-1) was administered alone or in combination with the ornithine decarboxylase inhibitor DFMO (500 mg kg-1), starting one day before creation of partial outflow obstruction and then daily for 7 days. The bladder muscle level of putrescine was increased 38 times and that of spermine reduced by 4 times while spermidine was unchanged after treatment with CGP-48664 (20 mg kg-1). The increase in putrescine was abolished in animals receiving CGP-48664 in combination with DFMO. Treatment with polyamine synthesis inhibitors could not prevent or reduce the hypertrophy of the bladder as judged by bladder wet weight and protein contents. The effects on polyamine quantities were not associated with changes in Ca(2+)-force relationship or in agonist and electrically stimulated force. In summary, treatment of rats with polyamine synthesis inhibitors resulted in changes in polyamine levels in the growing urinary bladder but did not affect growth or mechanical properties.
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  • Resultat 1-10 av 37

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