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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1992-5-28
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pubmed:abstractText |
We measured the concentration of endogenous digitalis-like factors (EDLFs) in milk or colostrum of women during nursing on different days after delivery. EDLF concentrations were assayed by a solid-phase RIA involving antidigoxin antibodies and by a radioreceptor assay (RRA) involving human placenta Na+/K(+)-ATPase. The mean (SD) EDLF concentrations as measured by RIA were 35.6 (19.4) ng of digoxin equivalents per liter in milk samples (n = 37) and 61.3 (12.5) ng/L in colostrum samples (n = 5); the mean EDLF concentration as measured by RRA in milk samples (n = 11) was 573 (717) ng/L (range 0-2098). EDLF concentration in milk is greater than circulating concentrations in healthy adults but is comparable with serum concentration in the third trimester of pregnancy. In milk and serum samples (n = 8) collected at the same time, heating and (or) extracting with Sep-Pak C18 cartridges before the RIA produced significantly different EDLF values from those in untreated serum (P less than 0.001) and milk (P = 0.035). EDLF in milk appeared to be not bound or weakly bound to milk protein, as indicated by the fact that boiling did not increase the digoxin-like immunoreactivity.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Blood Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Cardenolides,
http://linkedlifedata.com/resource/pubmed/chemical/Digoxin,
http://linkedlifedata.com/resource/pubmed/chemical/Saponins,
http://linkedlifedata.com/resource/pubmed/chemical/Sodium-Potassium-Exchanging ATPase,
http://linkedlifedata.com/resource/pubmed/chemical/digoxin-like factors
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0009-9147
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
38
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
504-6
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:1314718-Blood Proteins,
pubmed-meshheading:1314718-Cardenolides,
pubmed-meshheading:1314718-Colostrum,
pubmed-meshheading:1314718-Digoxin,
pubmed-meshheading:1314718-Female,
pubmed-meshheading:1314718-Humans,
pubmed-meshheading:1314718-Lactation,
pubmed-meshheading:1314718-Milk, Human,
pubmed-meshheading:1314718-Placenta,
pubmed-meshheading:1314718-Radioimmunoassay,
pubmed-meshheading:1314718-Radioligand Assay,
pubmed-meshheading:1314718-Reference Values,
pubmed-meshheading:1314718-Saponins,
pubmed-meshheading:1314718-Sodium-Potassium-Exchanging ATPase
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pubmed:year |
1992
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pubmed:articleTitle |
Endogenous digitalis-like factors in human milk.
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pubmed:affiliation |
Istituto di Fisiologia Clinica del CNR, Pisa, Italy.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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