ArticleNaunyn-Schmiedeberg's archives of pharmacology2004
Differential effect of nitrogen species on changes in mitochondrial membrane permeability due to mitomycin c in lung epithelial cells.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed, 5 citations in OpenAlex.
No citing paper in PubMed yet.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effect of reactive nitrogen species (RNS) against the cytotoxicity of mitomycin c (MMC) in lung epithelial cells was assessed by measuring the effect on mitochondrial membrane permeability. RNS had a differential effect against cytotoxicity of MMC depending on concentration. Viability loss in cells exposed to MMC was decreased by inhibitors of caspase-3, -8 and -9 and attenuated by antioxidants (N-acetylcysteine, dithiothreitol, ascorbate and rutin). Addition of 3-morpholinosydnonimine (SIN-1) differentially affected the MMC-induced cell death and GSH depletion concentration dependently with a maximal inhibitory effect at 150 microM. Ascorbate, superoxide dismutase and haemoglobin prevented the inhibitory effect of 150 microM SIN-1 on 10 microg/ml MMC-induced cell death. SIN-1 inhibited the MMC-induced nuclear damage, loss in mitochondrial transmembrane potential, cytosolic accumulation of cytochrome c, caspase-3 activation, increase in reactive oxygen species (ROS) formation and depletion of GSH. SIN-1 also attenuated cell death due to H(2)O(2). The cytotoxicity of MMC in the presence of oxidants or RNS producers was much less than the sum of the each effect of MMC and producer. SIN-1 may inhibit the MMC-induced viability loss in lung epithelial cells by suppressing the mitochondrial membrane permeability change and by interaction of its products with MMC.
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