| pubmed-article:3931732 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0024109 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0042153 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0040682 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0003695 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0311404 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C1710236 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0332624 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0205227 | lld:lifeskim |
| pubmed-article:3931732 | lifeskim:mentions | umls-concept:C0205228 | lld:lifeskim |
| pubmed-article:3931732 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:3931732 | pubmed:dateCreated | 1985-12-18 | lld:pubmed |
| pubmed-article:3931732 | pubmed:abstractText | Eicosanoid release from human dispersed lung cells (HDLC) containing ca 5% mast cells was studied before and after cell activation with ionophore A23187 or anti-IgE. Basal release of eicosanoids synthesized from endogenous arachidonate was measured by radioimmunoassay. In descending order of abundance the products were: 5-hydroxyeicosatetraenoic acid (5-HETE) greater than thromboxane B2 (TXB2) greater than prostaglandin F2 alpha (PGF2 alpha) approximately immunoreactive (i)-PGE2 greater than PGD2 greater than 6-keto-PGF1 alpha approximately i-LTC4. Stimulation of HDLC with ionophore A23187 or, after passive sensitization, with anti-IgE resulted in 2-10 fold increases in the generation of individual eicosanoids. In terms of net generation the most abundant products were PGD2 and TXB2 with either stimulus. Activation with A23187 caused net release of i-LTC4 and 5-HETE, but these products were not measured after immunological activation. A more complete profile of lipoxygenase products released from HDLC dispersed from one lung was obtained after separation by high performance liquid chromatography combined with ultra violet spectroscopy and bioassay. The major products released from the cells from this lung with ionophore stimulation were 13-hydroxylinoleic acid greater than LTB4 greater than 5-HETE greater than 12-HETE greater than LTC4 greater than 15-HETE greater than 11-HETE approximately 9-HETE. When the utilization of exogenous [14C]-arachidonic acid for prostanoid biosynthesis was compared to that of endogenous unlabelled arachidonate the formation of TXB2 was consistently underestimated. These results imply compartmentalization of arachidonic acid utilization in Ca2+-activated HDLC. In unstimulated cells the proportional formation of PGD2 was overestimated when exogenous arachidonic acid was substrate. After activation with A23187 the proportions of PGD2 were similar with both substrate sources. The large proportions of PGD2 and TXB2 generated by HDLC further supports the view that these eicosanoids may be important inflammatory mediators in lung tissue. | lld:pubmed |
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| pubmed-article:3931732 | pubmed:language | eng | lld:pubmed |
| pubmed-article:3931732 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:3931732 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:3931732 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:3931732 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:3931732 | pubmed:issn | 0007-1188 | lld:pubmed |
| pubmed-article:3931732 | pubmed:author | pubmed-author:WalkerJ RJR | lld:pubmed |
| pubmed-article:3931732 | pubmed:author | pubmed-author:HolgateS TST | lld:pubmed |
| pubmed-article:3931732 | pubmed:author | pubmed-author:RobinsonCC | lld:pubmed |
| pubmed-article:3931732 | pubmed:author | pubmed-author:HarveyJJ | lld:pubmed |
| pubmed-article:3931732 | pubmed:author | pubmed-author:PetersB JBJ | lld:pubmed |
| pubmed-article:3931732 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:3931732 | pubmed:volume | 86 | lld:pubmed |
| pubmed-article:3931732 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:3931732 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:3931732 | pubmed:pagination | 417-26 | lld:pubmed |
| pubmed-article:3931732 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:3931732 | pubmed:year | 1985 | lld:pubmed |
| pubmed-article:3931732 | pubmed:articleTitle | Oxidative transformations of arachidonic acid in human dispersed lung cells: disparity between the utilization of endogenous and exogenous substrate. | lld:pubmed |
| pubmed-article:3931732 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:3931732 | pubmed:publicationType | In Vitro | lld:pubmed |
| pubmed-article:3931732 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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