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Träfflista för sökning "WFRF:(Magyar K) srt2:(2005-2009)"

Sökning: WFRF:(Magyar K) > (2005-2009)

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  • Jenei, Veronica, et al. (författare)
  • Increased cell-cell adhesion, a novel effect of R-(-)-deprenyl
  • 2005
  • Ingår i: Journal of Neural Transmission. - : Springer Science and Business Media LLC. - 0300-9564 .- 1435-1463. ; 112:11, s. 1433-1445
  • Tidskriftsartikel (refereegranskat)abstract
    • The neuroprotective effect of the antiparkinsonian monoamine oxidase (MAO)-B inhibitor, R-(-)-deprenyl has been under investigation for years. Cytoskeleton, a main component of cell adhesion, is involved in the development of R-(-)-deprenyl-responsive diseases, the effect of the drug on cell adhesion, however, is not known. We examined the effect of R-(-)-deprenyl on cell-cell adhesion of neuronal and non-neuronal cells. R-(-)-deprenyl treatment resulted in a cell type- and concentration-dependent increase in cell-cell adhesion of PC12 and NIH3T3 cells at concentrations lower than those required for MAO-B inhibition, while S-(+)-deprenyl was not effective. This acitvity of R-(-)-deprenyl was not prevented by the cytochrome P-450 inhibitor, SKF525A, while deprenyl-N-oxide, a newly described metabolite, also induced an increase in cell-cell adhesion. The effect of R-(-)-deprenyl was not reversible during a 24-hour recovery period. In summary, we described a new, MAO-B independent effect of R-(-)-deprenyl on cell-cell adhesion which can contribute to its neuroprotective function.
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  • Magyar, K., et al. (författare)
  • Deprenyl: from chemical synthesis to neuroprotection.
  • 2006
  • Ingår i: Journal of neural transmission. Supplementum. - 0303-6995. ; 71, s. 143-156
  • Tidskriftsartikel (refereegranskat)abstract
    • During the last decades (-)-deprenyl has become the golden standard of MAO-B inhibitors. It possesses dopamine potentiating and antioxidant properties; however, its effects cannot be explained solely by the enzyme inhibitory action. (-)-Deprenyl prevents the toxicity of certain selective neurotoxins and recently it was demonstrated to increase cell-cell adhesion as well. The complexity of its pharmacological effects reflects the action of both the parent compound and the active metabolites. (-)-Deprenyl and related propargylamines (DRPs) show neuroprotective features in a variety of in vitro and in vivo models that is dependent on the propargyl moiety. The main presumptive targets to date include glyceraldehyde-3-phosphate dehydrogenase, poly(ADP-ribose) polymerase, some kinase cascades, as well as pro- and antiapoptotic proteins, beside the inhibition of MAO-B. The antiapoptotic activity of DRPs converges upon the maintenance of mitochondrial integrity, due to the initiation of a comp
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  • Resultat 1-4 av 4

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