ArticleParasitology research1991
A role for protein kinase C in the production of free oxygen radicals in response to Nippostrongylus brasiliensis.
Article in Parasitology research, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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Abstract
The involvement of protein kinase C in the initiation of free oxygen radical generation by rat leukocytes in response to the nematode Nippostrongylus brasiliensis was investigated. Inhibitors of protein kinase C, trifluoperazine and 1-(5-isoquinolinylsulfonyl)-2-methylpiperazine (H-7), inhibited free radical generation in response to N. brasiliensis in vitro. Neither inhibitor affected free radical generation by the cell-free xanthine/xanthine oxidase system, indicating that the agents did not scavenge free radicals; they also failed to affect leukocyte viability. Furthermore, activators of protein kinase C, the calcium ionophore A23187 and the diacylglycerol 1-oleoyl-2-acetyl-rac-glycerol (OAG), enhanced free radical generation by leukocytes in response to N. brasiliensis in vitro. Thus, protein kinase C apparently plays an important role in the initiation of free radical generation in response to N. brasiliensis; since free radicals may play a critical role in worm expulsion, this implies that protein kinase C may also be important in the rejection of N. brasiliensis from the small intestine of the rat.
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