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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
1980-10-24
pubmed:abstractText
A simplified approach for estimating free and total anti-insulin antibodies and soluble insulin-anti-insulin immune complexes in serum has been developed and evaluated. For determination of free anti-insulin antibodies, a binding ratio for 125I-labeled insulin at fivefold serum dilution is calculated; the binding ratios obtained are reproducible (run-to-run coefficient of variation, 7.3%) and correlate well with titration of anti-insulin antibodies by other techniques (correlation coefficient, 0.9327). Total anti-insulin antibody concentrations are determined by calculating the [125I]insulin binding ratio for a sample previously acidified, adsorbed with acid dextran-coated charcoal, and neutralized. The difference in binding ratios between two aliquots of the same serum, one diluted 10-fold without manipulation and the second studied at an identical dilution after acidification and removal of free insulin, is taken as an index of the presence of soluble insulin-anti-insulin immune complexes. Because the tests can be performed at a single dilution, both time and materials are conserved without apparent loss of discrimination between sera with high antibody titers and high concentrations of insulin-anti-insulin immune complexes and sera with negative titers or low concentrations.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0009-9147
pubmed:author
pubmed:issnType
Print
pubmed:volume
26
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1357-9
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
1980
pubmed:articleTitle
Simplified method for detecting anti-insulin antibodies and insulin-anti-insulin immune complexes.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S.