Abstract
IntroductionThe large variability in cross-reactivities of recombinant insulin preparations with different commercial assays is noteworthy. It is imperative to know which recombinant insulin preparations a method can detect and which ones it cannot, to interpret certain laboratory results. ObjectiveTo asses the cross-reactivity of soluble insulin, insulin NPH, glulisina and detemir with insulin inmunoassays Elecsys/E170 (Roche) and Architect (Abbott). Material and methodsSolutions of glulisine, detemir, soluble insulin and insulin NPH (20 - 1000 mU/L) were prepared and analized with insulin inmunoassays Elecsys/E170 (Roche) and Architect (Abbott). The cross-reactivity percentage was calculated for each solution. ResultsWith Elecsys/E170, the cross-reactivity of glulisine and detemir was < 5% for all solutions. The cross-reactivity of soluble insulin was 120% and insulin NPH 106%.With Architect, the cross-reactivity of glulisine was 12,6%; detemir 130% for 20 mU/L and >240% for 100 mU/L; soluble insulin 99% and insulin NPH 153%. ConclusionsElecsys/E170 detects both preparations of insulin of human sequence but it does not detect gluisine nor detemir. Architect detects both preparations of insulin of human sequence and detemir; for gluisine the average of cross-reactivity is 12,6%.Colaboration between laboratories employing different immunoassays may be useful to throw light on some hypoglycemia profiles, where overdose or misadministration of insulin preparations is suspected.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.