ArticleBritish journal of pharmacology1990
Cationic factors affecting phospholipase activities from human lung.
Article in British journal of pharmacology, 1990. 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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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- Kinetic mechanism of Clostridium perfringens phospholipase C. Hydrolysis of a thiophosphate analogue of lysophosphatidylcholine.The Biochemical journal · 1991Article
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
Abstract
1. The effects of varying H+ and other cation concentrations on phospholipase activity were investigated on two particulate fractions from human lung, corresponding to the mitochondrial and microsomal fractions. 2. Three 14C-labelled substrates, arachidonyl-phosphatidylcholine (PC), -phosphatidylethanolamine (PE) and -phosphatidylinositol (PI) were used. 3. For two substrates, PE and PI, hydrolysis was maximal at pH 6, with either subcellular fraction. 4. Hydrolysis of all three substrates was strongly inhibited by EDTA and EGTA (10-25 mM). Addition of 2,2-dipyridyl, o-phenanthroline, 8-hydroxyquinoline or desferrioxamine (10 microM-1 mM) did not inhibit but often increased hydrolysis of all substrates. 5. Addition of Zn2+, as ZnCl2, (10 microM-1 mM) inhibited PE and PI, but not PC, hydrolysis. 6. The phospholipase activities from human lung appear to be dependent on Ca2+ for maximal activity and to be inhibited by other metal ions including Zn2+.
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