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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1984-2-14
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pubmed:abstractText |
An assay procedure for thyroid hormone receptor activity which used nitrocellulose membrane filters was developed. Receptor proteins, extracted from washed rat liver nuclei with a 0.4 M NaCl solution, were incubated with 125I-labeled thyroid hormone (T3), and filtered on the cellulose ester membranes under suction at 2 degrees C. The filters were subsequently washed with cold buffer and counted for 125I radioactivity. The method allowed an accurate estimation of the receptor activity, satisfying a linear relationship between the activity and the receptor protein concentrations. The usefulness of this filter-binding method became evident when it was compared with the conventional procedure that employs Sephadex G-25 columns. For practical application to routine assays, various filtration conditions were examined, and a standard procedure was established. Using this technique, the isolated receptors were determined to possess an apparent Kd of 1.38 X 10(-10) M and a pH optimum of T3 binding at 8.2-8.4.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0003-2697
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
1
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pubmed:volume |
134
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
176-83
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pubmed:dateRevised |
2003-11-14
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pubmed:meshHeading |
pubmed-meshheading:6318596-Animals,
pubmed-meshheading:6318596-Chromatography, Gel,
pubmed-meshheading:6318596-Filtration,
pubmed-meshheading:6318596-Hydrogen-Ion Concentration,
pubmed-meshheading:6318596-Liver,
pubmed-meshheading:6318596-Male,
pubmed-meshheading:6318596-Protein Binding,
pubmed-meshheading:6318596-Rats,
pubmed-meshheading:6318596-Rats, Inbred Strains,
pubmed-meshheading:6318596-Receptors, Cell Surface,
pubmed-meshheading:6318596-Receptors, Thyroid Hormone,
pubmed-meshheading:6318596-Solubility
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pubmed:year |
1983
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pubmed:articleTitle |
Filter-binding assay procedure for thyroid hormone receptors.
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pubmed:publicationType |
Journal Article
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