| pubmed-article:468298 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:468298 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
| pubmed-article:468298 | lifeskim:mentions | umls-concept:C0027950 | lld:lifeskim |
| pubmed-article:468298 | lifeskim:mentions | umls-concept:C0008014 | lld:lifeskim |
| pubmed-article:468298 | lifeskim:mentions | umls-concept:C0475264 | lld:lifeskim |
| pubmed-article:468298 | pubmed:issue | 1 | lld:pubmed |
| pubmed-article:468298 | pubmed:dateCreated | 1979-10-17 | lld:pubmed |
| pubmed-article:468298 | pubmed:abstractText | An eosinophil chemotactic factor (ECF) of low MW can be released from human polymorphonuclear leucocytes (PMN) on stimulation with the Ca-ionophore, arachidonic acid and during phagocytosis. After a rapid rise of ECF activity in the supernatant a steep fall of in its activity occurred at the later times of secretion suggesting a mechanism of ECF inactivation. ECF obtained at the later times of secretion represents a stable biological activity and does not decrease on further incubation. In addition, intact PMN and ECF combined do not lead to its inactivation, while incubation of homogenized PMN with ECF decreased its activity. These data suggest the presence of an inactivator for ECF within human PMN. The purpose of the study was to localize ECF and its inactivator within human PMN. After cell disruption, differential and equilibrium gradient centrifugation, subcellular components of human PMN can be obtained which reveal eosinophilotactic (ECF) or ECF-inactivating activity. ECF activity can be recovered (in a structurally bound state) from the microsomal fraction of unstimulated and stimulated PMNs, while another portion is obtainable as a soluble, low mol. wt ECF. The PMN-derived ECF inactivator can be recovered from the peroxidase positive (azurophilic) granules and has a mol. wt of 60,000 and less. We suggest that low mol. wt ECF is derived from the plasma membrane of PMN which can be inactivated by components of the azurophilic granules. The mechanism of inactivation is still unresolved. | lld:pubmed |
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| pubmed-article:468298 | pubmed:language | eng | lld:pubmed |
| pubmed-article:468298 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:468298 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:468298 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:468298 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:468298 | pubmed:month | May | lld:pubmed |
| pubmed-article:468298 | pubmed:issn | 0019-2805 | lld:pubmed |
| pubmed-article:468298 | pubmed:author | pubmed-author:KönigWW | lld:pubmed |
| pubmed-article:468298 | pubmed:author | pubmed-author:FrickhofenNN | lld:pubmed |
| pubmed-article:468298 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:468298 | pubmed:volume | 37 | lld:pubmed |
| pubmed-article:468298 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:468298 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:468298 | pubmed:pagination | 111-22 | lld:pubmed |
| pubmed-article:468298 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:468298 | pubmed:meshHeading | pubmed-meshheading:468298-C... | lld:pubmed |
| pubmed-article:468298 | pubmed:year | 1979 | lld:pubmed |
| pubmed-article:468298 | pubmed:articleTitle | Subcellular localization of the eosinophil chemotactic factor (ECF) and its inactivator in human polymorphonuclear leucocytes (PMN). | lld:pubmed |
| pubmed-article:468298 | pubmed:publicationType | Journal Article | lld:pubmed |
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