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pubmed:abstractText |
Sodium arachidonate stimulated canine polymorphonuclear leukocytes (PMNs) to aggregate and produce malonyldialdehyde (MDA). The MDA production was due to cellular processes during the aggregation, as boiled PMN suspension neither aggregated nor produced MDA. Aggregation and MDA production were not due to platelet contamination because epinephrine and ADP were unable to stimulate either of these responses in the PMN suspensions. Finally, use of the aggregatory modifiers indomethacin, 1-methylimidazole, and vitamin E dissociated aggregation from MDA production. These results suggest that the cellular process(es) resulting in MDA production is/are not responsible for canine PMN aggregation.
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