Classic and non-classic 21-hydroxylase deficiency can be discriminated from P450 oxidoreductase deficiency in japanese infants by urinary steroid metabolites

Yuhei Koyama, Keiko Homma, Maki Fukami, Masayuki Miwa, Kazushige Ikeda, Tsutomu Ogata, Mitsuru Murata, Tomonobu Hasegawa

Research output: Contribution to journalArticle

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Abstract

We previously reported a two-step biochemical diagnosis to discriminate classic 21-hydroxylase deficiency (C21OHD) from P450 oxidoreductase deficiency (PORD) by using urinary steroid metabolites: the pregnanetriolone/tetrahydrocortisone ratio (Ptl/the cortisol metabolites 5α-and 5β-tetrahydrocortisone (sum of these metabolites termed THEs), and 11β-hydroxyandrosterone (11OHAn). The objective of this study was to investigate whether both C21OHD and non-classic 21OHD (C+NC21OHD) could be biochemically differentiated from PORD. We recruited 55 infants with C21OHD, 8 with NC21OHD, 16 with PORD, 57 with transient hyper-17α-hydroxyprogesteronemia (TH17OHP), and 2,473 controls. All infants were Japanese with ages between 0-180 d. In addition to Ptl, THEs, and 11OHAn, we measured urinary tetrahydroaldosterone (THAldo) and pregnenediol (PD5). The first step: by Ptl with the age-specific cutoffs 0.06 mg/g creatinine (0-10 d of age) and 0.3 mg/g creatinine (11-180 d of age), we were able to differentiate C+NC21OHD and PORD from TH17OHP and controls (0-10 d of age: 0.065-31 vs. <0.001-0.052, 11-180 d of age: 0.40-42 vs. <0.001-0.086) with 100% sensitivity and specificity. The second step: by the 11OHAn/THAldo or 11OHAn/PD5 ratio with a cutoff of 0.80 or 1.0, we were able to discriminate between C+NC21OHD and PORD (1.0-720 vs. 0.021-0.61 or 1.8-160 vs. 0.005-0.32, respectively) with 100% sensitivity and specificity. Ptl, 11OHAn/THAldo, and 11OHAn/PD5 could differentiate between C+NC21OHD and PORD in Japanese infants.

Original languageEnglish
Pages (from-to)37-44
Number of pages8
JournalClinical Pediatric Endocrinology
Volume25
Issue number2
DOIs
Publication statusPublished - 2016 Apr 28

Fingerprint

Oxidoreductases
Steroids
Tetrahydrocortisone
Creatinine
Sensitivity and Specificity
Hydrocortisone
Congenital adrenal hyperplasia due to 21 hydroxylase deficiency
tetrahydroaldosterone

Keywords

  • Cytochrome P450 oxidoreductase deficiency
  • Non-classical 21-hydroxylase deficiency
  • Urinary steroid metabolites

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Pediatrics, Perinatology, and Child Health

Cite this

Classic and non-classic 21-hydroxylase deficiency can be discriminated from P450 oxidoreductase deficiency in japanese infants by urinary steroid metabolites. / Koyama, Yuhei; Homma, Keiko; Fukami, Maki; Miwa, Masayuki; Ikeda, Kazushige; Ogata, Tsutomu; Murata, Mitsuru; Hasegawa, Tomonobu.

In: Clinical Pediatric Endocrinology, Vol. 25, No. 2, 28.04.2016, p. 37-44.

Research output: Contribution to journalArticle

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AU - Homma, Keiko

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AU - Miwa, Masayuki

AU - Ikeda, Kazushige

AU - Ogata, Tsutomu

AU - Murata, Mitsuru

AU - Hasegawa, Tomonobu

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