ArticleNeurochemical research1994
Cerebral microvessel phospholipase A2 activity in senescent mouse.
Article in Neurochemical research, 1994. 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.
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
1 citing paper in PubMed, 7 citations in OpenAlex.
- Osmotic opening of the blood-brain barrier: principles, mechanism, and therapeutic applications.Cellular and molecular neurobiology · 2000Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phospholipase A2 activity was measured in cerebral microvessels isolated from 5 to 6 month (young adult) and 21 to 24 month (aged adult) old mice. Radiolabeled 1-stearoyl-2-[1-14C]arachidonyl choline phosphoglyceride was used as the enzyme substrate, and enzyme activity determined at pH 8 and pH 9. Activity in older animals was significantly less than in younger animals at both pH's. With choline phosphoglyceride as a substrate, phospholipase A2 activity was predominantly Ca(2+)-dependent, although a small, but measurable Ca(2+)-independent component was present. Negligible production of diacylglycerol indicated little or no phospholipase C activity. These findings indicate that activity of a phospholipase A2, which utilizes choline phosphoglyceride as a substrate, is affected by the aging process. Moreover, a change in PLA2 activity would result in altered metabolism of specific phosphoglycerides and turnover of fatty acids at the sn-2 position in cerebral microvessels.
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Registered trials
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