scholarly journals Actual condition survey regarding mismatch of measurements between radioimmunoassay and enzyme‐linked immunosorbent assay tests for anti‐glutamic acid decarboxylase antibody in real‐world clinical practice

2018 ◽  
Vol 10 (3) ◽  
pp. 685-689
Author(s):  
Yoichi Oikawa ◽  
Takuma Kondo ◽  
Akira Shimada ◽  
Yutaka Seino ◽  
Masafumi Kitaoka
2021 ◽  
Author(s):  
Neus Mongay‐Ochoa ◽  
Jacint Sala‐Padró ◽  
Gabriel Reynés‐Llompart ◽  
Laura Rodríguez‐Bel ◽  
Sònia Jaraba ◽  
...  

2010 ◽  
Vol 2010 ◽  
pp. 1-6 ◽  
Author(s):  
Anders Persson ◽  
Charlotte Becker ◽  
Ida Hansson ◽  
Anita Nilsson ◽  
Carina Törn

To evaluate the performance of dried blood spots (DBSs) with subsequent analyses of glutamic acid decarboxylase (GADA) and islet antigen-2 (IA-2A) with the RSR-ELISAs, we selected 80 children newly diagnosed with type 1 diabetes and 120 healthy women. DBSs from patients and controls were used for RSR-ELISAs while patients samples were analysed also with in-house RIAs. The RSR-ELISA-GADA performed well with a specificity of 100%, albeit sensitivity (46%) was lower compared to in RIA (56%;P=.008). No prozone effect was observed after dilution of discrepant samples. RSR-ELISA-IA-2A achieved specificity of 69% and sensitivity was lower (59%) compared with RIA (66%;P<.001). Negative or low positive patients and control samples in the RSR-ELISA-IA-2A increased after dilution. Eluates from DBS can readily be used to analyse GADA with the RSR-ELISA, even if low levels of autoantibodies were not detected. Some factor could disturb RSR-ELISA-IA-2A analyses.


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