ArticleJournal of bioenergetics and biomembranes2011
On the properties of calcium-induced permeability transition in neonatal heart mitochondria.
Article in Journal of bioenergetics and biomembranes, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
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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
1 citing paper in PubMed, 6 citations in OpenAlex.
- Lipid (per) oxidation in mitochondria: an emerging target in the ageing process?Biogerontology · 2017Review
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Permeability transition was examined in heart mitochondria isolated from neonate rats. We found that these mitochondria were more susceptible to Ca(2+)-induced membrane leakiness than mitochondria from adult rats. In K(+) containing medium, at 25 °C, mitochondria were unable to accumulate Ca(2+). Conversely, in Na(+) containing medium, mitochondria accumulated effectively Ca(2+). At 15 °C mitochondria accumulated Ca(2+) regardless of the presence of K(+). Kinetics of Ca(2+) accumulation showed a similar Vmax as that of adult mitochondria. Lipid milieu of inner membrane contained more unsaturated fatty acids than adult mitochondria. Aconitase inhibition and high thiobarbituric acid-reactive substances (TBARS) indicate that oxidative stress caused mitochondrial damage. In addition, proteomics analysis showed that there is a considerable diminution of succinate dehydrogenase C and subunit 4 of cytochrome oxidase in neonate mitochondria. Our proposal is that dysfunction of the respiratory chain makes neonate mitochondria more susceptible to damage by oxidative stress.
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