Analysis of steroid-induced genes in the rat preoptic area-anterior hypothalamus using a differential-display reverse transcriptase-polymerase chain reaction

S. Park, Jae Young Seong, Gi Hoon Son, S. S. Kang, S. Lee, S. R. Kim, K. Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Steroid hormones modulate a variety of physiological functions in the hypothalamus. We attempted to identify steroid-regulated genes in the rat preoptic area-anterior hypothalamus by comparing differentially expressed mRNAs. Adult female rats were ovariectomized and, 1 week later, a silastic capsule containing 17 β-oestradiol (180 μg/ml) was subcutaneously implanted. After 2 days, a single injection of progesterone (1 mg) was administered at 10.00 h and rats were killed at 17.00 h on the same day. Differential-display polymerase chain reaction followed by Northern blot analysis showed that 10 clones were differentially regulated. Using homology search in Genbank, three genes were identified as sodium, potassium-ATPase β1, protein kinase C-binding Nell-homologue protein and evectin-1. Further characterization of 10 clones showed that the expression patterns were tissue-specific and differentially regulated during puberty. Among these, mRNAs for protein kinase C-binding Nell-homologue protein, evectin-1 and human CGI-118 protein-like gene were induced after vagina opening, and differentially expressed during the oestrous cycle. Taken together, several steroid-regulated genes identified in the present study may play an important role in regulating hypothalamic functions, including puberty and the oestrous cycle.

Original languageEnglish
Pages (from-to)531-539
Number of pages9
JournalJournal of Neuroendocrinology
Volume13
Issue number6
DOIs
Publication statusPublished - 2001 Jun 18
Externally publishedYes

Fingerprint

Anterior Hypothalamus
Preoptic Area
Reverse Transcriptase Polymerase Chain Reaction
Steroids
Puberty
Protein Kinase C
Clone Cells
Genes
Sodium-Potassium-Exchanging ATPase
Messenger RNA
Proteins
Nucleic Acid Databases
Vagina
Northern Blotting
Hypothalamus
Capsules
Progesterone
Estradiol
Hormones
Polymerase Chain Reaction

Keywords

  • DD-PCR
  • Genes
  • Oestrous cycle
  • POA-AH
  • Puberty
  • Steroids

ASJC Scopus subject areas

  • Endocrinology
  • Neuroscience(all)

Cite this

Analysis of steroid-induced genes in the rat preoptic area-anterior hypothalamus using a differential-display reverse transcriptase-polymerase chain reaction. / Park, S.; Seong, Jae Young; Son, Gi Hoon; Kang, S. S.; Lee, S.; Kim, S. R.; Kim, K.

In: Journal of Neuroendocrinology, Vol. 13, No. 6, 18.06.2001, p. 531-539.

Research output: Contribution to journalArticle

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