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Radioimmunoassay of insulin by the double antibody method. Evaluation of the technique in practice

Abstract

The aim of this study was to develop a simplified procedure for the radioimmunoassay of insulin by the double antibody method. Anti-insulin serum was obtained by immunizing guinea pigs with porcine insulin suspended in Freund's incomplete adjuvant supplemented with Hemophilus pertussis vaccine. After two injections, sera from four guinea pigs diluted 1:10,000 bound more than 70% of the /sup 125/I-insulin added. Under the conditions of the method, the insulin binding reagent bound 43%+-5% (n=94) of added /sup 125/I-insulin. Accuracy of the method in simultaneous series for insulin concentrations of 27 ..mu..U/ml and 49 ..mu..U/ml was +-5% and +-7% respectively; and in a nonsimultaneous series of determinations for insulin concentrations of 21 ..mu..U/ml and 77 ..mu..U/ml, +-11% and +-8%. Recovery of insulin added to human plasma was 104%. Concentrations of insulin in the plasma of healthy fasting subjects ranged from 5-22 ..mu..U/ml (m=13+-5 ..mu..U/ml; n=21). The results were in complete agreement with results obtained by the use of the Amersham radioimmunoassay insulin kit.
Authors:
Wojckikowski, C; Zakoslki, W [1] 
  1. Akademia Medyczna, Gdansk (Poland)
Publication Date:
Jan 01, 1974
Product Type:
Journal Article
Reference Number:
AIX-09-357718; EDB-78-046737
Resource Relation:
Journal Name: Arch. Immunol. Ther. Exp.; (Poland); Journal Volume: 22:3
Subject:
59 BASIC BIOLOGICAL SCIENCES; INSULIN; RADIOIMMUNOASSAY; EVALUATION; ANTIBODIES; ANTIGEN-ANTIBODY REACTIONS; BLOOD SERUM; GUINEA PIGS; HAEMOPHILUS; IMMUNE REACTIONS; IODINE 125; ANIMALS; BACTERIA; BETA DECAY RADIOISOTOPES; DAYS LIVING RADIOISOTOPES; ELECTRON CAPTURE RADIOISOTOPES; HORMONES; INTERMEDIATE MASS NUCLEI; IODINE ISOTOPES; ISOTOPE APPLICATIONS; ISOTOPES; MAMMALS; MICROORGANISMS; NUCLEI; ODD-EVEN NUCLEI; PEPTIDE HORMONES; RADIOASSAY; RADIOISOTOPES; RODENTS; TRACER TECHNIQUES; VERTEBRATES; 551001* - Physiological Systems- Tracer Techniques
OSTI ID:
5213737
Country of Origin:
Poland
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: AITEA
Submitting Site:
INIS
Size:
Pages: 355-368
Announcement Date:
Feb 01, 1978

Citation Formats

Wojckikowski, C, and Zakoslki, W. Radioimmunoassay of insulin by the double antibody method. Evaluation of the technique in practice. Poland: N. p., 1974. Web.
Wojckikowski, C, & Zakoslki, W. Radioimmunoassay of insulin by the double antibody method. Evaluation of the technique in practice. Poland.
Wojckikowski, C, and Zakoslki, W. 1974. "Radioimmunoassay of insulin by the double antibody method. Evaluation of the technique in practice." Poland.
@misc{etde_5213737,
title = {Radioimmunoassay of insulin by the double antibody method. Evaluation of the technique in practice}
author = {Wojckikowski, C, and Zakoslki, W}
abstractNote = {The aim of this study was to develop a simplified procedure for the radioimmunoassay of insulin by the double antibody method. Anti-insulin serum was obtained by immunizing guinea pigs with porcine insulin suspended in Freund's incomplete adjuvant supplemented with Hemophilus pertussis vaccine. After two injections, sera from four guinea pigs diluted 1:10,000 bound more than 70% of the /sup 125/I-insulin added. Under the conditions of the method, the insulin binding reagent bound 43%+-5% (n=94) of added /sup 125/I-insulin. Accuracy of the method in simultaneous series for insulin concentrations of 27 ..mu..U/ml and 49 ..mu..U/ml was +-5% and +-7% respectively; and in a nonsimultaneous series of determinations for insulin concentrations of 21 ..mu..U/ml and 77 ..mu..U/ml, +-11% and +-8%. Recovery of insulin added to human plasma was 104%. Concentrations of insulin in the plasma of healthy fasting subjects ranged from 5-22 ..mu..U/ml (m=13+-5 ..mu..U/ml; n=21). The results were in complete agreement with results obtained by the use of the Amersham radioimmunoassay insulin kit.}
journal = []
volume = {22:3}
journal type = {AC}
place = {Poland}
year = {1974}
month = {Jan}
}