Steroid profile in dried blood spots by liquid chromatography tandem mass spectrometry: Application to newborn screening for congenital adrenal hyperplasia in China
Steroids(2022)
摘要
•A -LC-MS/MS assay for determination of six steroids in dried blood spots was developed.•Application of additional steroids allows -discrimination between 21-OHD and 11β-OHD.•Application of steroid profiling reduces false-positive results.•Second-tier testing improves the positive predictive value of CAH screening.
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关键词
Congenital adrenal hyperplasia,Liquid chromatography tandem mass spectrometry,Dried blood spot,Steroid profiling
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