Role of arachidonic acid in platelet aggregation induced bySalmonella typhimurium endotoxin

Tur'yanov, M. Kh.; Lomazova, Kh. D.; Kazanskaya, L. V.; Chumakova, Z. V.; Polyakova, A. M.; Максимова, Т. В.

doi:10.1007/bf00834797

Cited by 2 publications

(1 citation statement)

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“…By clicking the edge and reading linked abstracts, we can easily find that serotonin, histamine, and prostaglandin/epoprostenol cause vasodilation (Griffith & Burnstock, 1983; Knigge, Alsbjorn, Thuesen, Siemssen, & Christiansen, 1988; Bush, Busst, Booth, Knight, & Shinebourne, 1986) and inhibit platelet aggregation (De Cree, Leempoels, Demoen, Roels, & Verhaegen 1985; Smith, 1981) and that vasoconstriction and platelet aggregation cause migraine (Berde & Fanchamps, 1975; Carrieri, Sorge, Orefice, De Feo, & Fioretti, 1984). The highly scoring abstract in the edge link between “arachidoic acid” and “platelet aggregation,” on the other hand, reveals that arachidonic acid induces platelet aggregation (Tur'ianov, Lomazova, Kazanskaia, Chumakova, & Poliakova, 1983), and PRIME‐1988 data in the edge link indicates that magnesium deficiency increases the amount of arachidoic acid (Thomas‐Benhamou, Rayssiguier, Cardot, Gueux, & Trugnan, 1988). Since prescription drugs cannot be distinguished from compounds in vivo , nifedipine has also been identified in Figure 4.…”

Section: Resultsmentioning

confidence: 99%

Knowledge discovery based on an implicit and explicit conceptual network

Koike

Takagi

2006

J. Am. Soc. Inf. Sci.

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The amount of knowledge accumulated in published scientific papers has increased due to the continuing progress being made in scientific research. Since numerous papers have only reported fragments of scientific facts, there are possibilities for discovering new knowledge by connecting these facts. We therefore developed a system called BioTermNet to draft a conceptual network with hybrid methods of information extraction and information retrieval. Two concepts are regarded as related in this system if (a) their relationship is clearly described in MEDLINE abstracts or (b) they have distinctively co-occurred in abstracts. PRIME data, including protein interactions and functions extracted by NLP techniques, are used in the former, and the Singhalmeasure for information retrieval is used in the latter. Relationships that are not clearly or directly described in an abstract can be extracted by connecting multiple concepts. To evaluate how well this system performs, Swanson's association between Raynaud's disease and fish oil and that between migraine and magnesium were tested with abstracts that had been published before the discovery of these associations. The result was that when start and end concepts were given, plausible and understandable intermediate concepts connecting them could be detected. When only the start concept was given, not only the focused concept (magnesium and fish oil) but also other probable concepts could be detected as related concept candidates. Finally, this system was applied to find diseases related to the BRCA1 gene. Some other new potentially related diseases were detected along with diseases whose relations to BRCA1 were already known. The BioTermNet is available at http://btn.ontology.ims.u-tokyo.ac.jp.

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