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Br J Pharmacol 1983 Jun;79(2):327-329
Rat isolated peritoneal cells (10(7) cells ml-1) incubated in the presence of dexamethasone (3 X 10(-9) M, for 90 min) were shown to release some factor(s), having a mol. wt. of 15 k, as determined by size exclusion chromatography, which inhibited phospholipase A2 activity and offered significant protection against sudden death due to post-infarction arrhythmias in conscious rats pretreated with actinomycin D (0.5 mg kg-1 i.v. 4 h before coronary ligation). This observation suggests that the cardioprotective effect of glucocorticoids in acute myocardial infarction may result from the de novo synthesis of macrocortin, an antiphospholipase protein.
PMID: 6689132, UI: 84081038
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