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  • Title: [Neonatal screening for congenital adrenal hyperplasia due to 21-hydroxylase deficiency. 3. An enzyme-linked immunosorbent assay for dried blood 17 alpha-hydroxyprogesterone].
    Author: Fukushi M, Arai O, Mizushima Y, Takasugi N, Fujieda K, Matsuura N.
    Journal: Nihon Naibunpi Gakkai Zasshi; 1987 Feb 20; 63(2):113-22. PubMed ID: 3494638.
    Abstract:
    An enzyme-linked immunosorbent assay (ELISA) for 17 alpha-hydroxyprogesterone (17-OHP) in dried blood collected on filter paper has been developed. The ELISA method is very easy and rapid and has sensitivity, accuracy and precision. The detection limit of the ELISA method is 0.5 ng/ml blood. Intra- and interassay coefficients of variation are 7.0 approximately 8.3% and 6.7 approximately 10.5%, respectively. Correlation between the ELISA method and previously reported enzyme immunoassay is good (r = 0.961). 17-OHP values of neonates with congenital adrenal hyperplasia (CAH) are extremely high compared with normal neonates (11.0 +/- 5.9 ng/ml blood). The present study demonstrates that the ELISA method for 17-OHP is applicable to neonatal screening for CAH.
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