Expression of cytochromes P450aldo and P45011β in rat adrenal gland during late gestational and neonatal stages

Fumiko Mitani, Kuniaki Mukai, Takayoshi Ogawa, Hirokuni Miyamoto, Yuzuru Ishimura

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The development of the rat adrenal gland during late gestational and neonatal stages was studied by following the expression of aldosterone synthase cytochrome P450 (P450aldo) and glucocorticoid-synthesizing cytochrome P450 (P45011β). Cells expressing P450aldo, a functional marker for the mineralocorticoid-synthesizing zona glomerulosa, were not detected until day 20 of fetal age, i.e., 2 days before birth, although the zona glomerulosa cells were histologically recognizable at the 18th day of gestation. The intensity of P450aldo staining thereafter became stronger with age in the outer portion of the cortex. Cells expressing P45011β, a marker for the glucocorticoid-producing zona fasciculata, were present in the fetal adrenals on the 18th day. P45011β-positive cells were distributed over the whole adrenal gland and intermingled with the cells containing tyrosine hydroxylase, a marker enzyme for medullary cells. The P45011β-positive and tyrosine hydroxylase-positive cells began to separate on the 20th day, and were completely resolved from each other around the third day after birth. Expression of P450aldo and P45011β, together with that of tyrosine hydroxylase, thus serves as a suitable marker for studying the development of the adrenal gland.

Original languageEnglish
Pages (from-to)57-61
Number of pages5
JournalSteroids
Volume62
Issue number1
DOIs
Publication statusPublished - 1997 Jan

Fingerprint

Cytochrome P-450 CYP11B2
Adrenal Glands
Rats
Tyrosine 3-Monooxygenase
Cells
Cytochrome P-450 Enzyme System
Glucocorticoids
Zona Glomerulosa
Mineralocorticoids
Parturition
Zona Fasciculata
Enzymes
Gestational Age
Staining and Labeling
Pregnancy

Keywords

  • adrenal cortex
  • development of adrenal gland
  • fetal adrenal
  • neonatal adrenal
  • P45011β
  • P450aldo

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology
  • Molecular Biology

Cite this

Expression of cytochromes P450aldo and P45011β in rat adrenal gland during late gestational and neonatal stages. / Mitani, Fumiko; Mukai, Kuniaki; Ogawa, Takayoshi; Miyamoto, Hirokuni; Ishimura, Yuzuru.

In: Steroids, Vol. 62, No. 1, 01.1997, p. 57-61.

Research output: Contribution to journalArticle

Mitani, Fumiko ; Mukai, Kuniaki ; Ogawa, Takayoshi ; Miyamoto, Hirokuni ; Ishimura, Yuzuru. / Expression of cytochromes P450aldo and P45011β in rat adrenal gland during late gestational and neonatal stages. In: Steroids. 1997 ; Vol. 62, No. 1. pp. 57-61.
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