ArticleInflammation1997
A novel thromboxane synthetase inhibitor, DP-1904, inhibits human blood eosinophil degranulation.
Article in Inflammation, 1997. 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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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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0 citing papers in PubMed, 4 citations in OpenAlex.
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
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Abstract
Eosinophils have been recognized to be associated with various immune responses and disease processes including bronchial asthma. Eosinophils release a number of cytotoxic and neurotoxic mediators. However, the factors regulating such release and the underlying mechanisms are unclear. In this study, we investigated the effect of a selective and potent thromboxane synthase inhibitor, DP-1904, on the release of eosinophil cationic protein (ECP) in platelet activating factor (PAF) and IgG-stimulated human blood eosinophils. PAF (1 microM) and IgG both released ECP which constituted about 25-30% of the total ECP content. The control protein, ovalbumin, did not release any ECP over the basal values. DP-1904 in two different concentrations, 10 microM and 100 microM, significantly attenuated the release of ECP in response to PAF or IgG. The mean percent inhibition by 10 microM DP-1904 was 49 +/- 10 and 31 +/- 2 against PAF and IgG-induced ECP release, respectively. However, at 100 microM DP-1904 the percent inhibition was 76 +/- 14 and 67 +/- 2, respectively. These data suggest that TXA2 is an important mediator in the regulation of eosinophil degranulation, and DP-1904 thus might prove beneficial in the treatment of bronchial asthma.
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