Estrogen-induced cyclin D1 and D3 gene expressions during mouse uterine cell proliferation in vivo

Differential induction mechanism of cyclin D1 and D3

Dongho Geum, Woong Sun, Sang Ki Paik, Chung Choo Lee, Kyungjin Kim

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

D-type cyclins are involved in the regulation of the G1/S transition of the cell cycle in various cell types cultured in vitro. Little is, however, known about the expression pattern and functional role of D-type cyclins in physiological processes in vivo. In this report, we studied whether the expression of murine D-type cyclins correlates with the states of mouse uterine cell proliferation in vivo. Time-course changes in cyclin D1 and D3 mRNA levels in the uterine tissues of immature mice primed with 17β- estradiol (E2) were examined by Northern blot hybridization. c-fos and thymidine kinase (TK) mRNA levels were also examined as markers for the transition from G0 to G1 and the onset of S phase, respectively. Cyclin D1 and D3 mRNAs were induced 2.5-fold between c-fos and TK mRNA peaks. The E2- induced cyclin D1 and D3 gene expressions were blocked by antiestrogens tamoxifen and ICI 182,780. We also investigated the effects of cycloheximide (CHX), a protein synthesis inhibitor, on cyclin D1 and D3 gene expressions. When CHX was treated alone, cyclin D3, but not cyclin D1, mRNA was immediately superinduced. The E2-induced cyclin D3 gene expression was shifted by approximately 6 h when CHX was pretreated 1 hr before E2 administration. Interestingly, the 3H-thymidine incorporation experiment showed that the mouse uterine cell cycle progression also shifted by 6 hr with pretreatment of CHX. The overall results suggest that both cyclin D1 and D3 mRNAs are constitutively expressed in uterine tissues and induced by E2 at G1 phase of the mouse uterine cell cycle. However, the superinducibility and temporal shift of cyclin D3 by CHX suggest that there is a different regulatory mechanism underlying cyclin D1 and D3 gene expressions in the mouse uterine cell cycle progression.

Original languageEnglish
Pages (from-to)450-458
Number of pages9
JournalMolecular Reproduction and Development
Volume46
Issue number4
DOIs
Publication statusPublished - 1997 Apr 1
Externally publishedYes

Fingerprint

bcl-1 Genes
Cyclin D3
Cyclin D1
Estrogens
Cell Proliferation
Gene Expression
Cycloheximide
Cyclin D
Messenger RNA
Cell Cycle
Thymidine Kinase
Physiological Phenomena
Protein Synthesis Inhibitors
Estrogen Receptor Modulators
G1 Phase
Tamoxifen
S Phase
Northern Blotting
Thymidine
Estradiol

Keywords

  • 17β- estradiol
  • cell cycle
  • cyclin D1
  • cyclin D3
  • cycloheximide
  • G/S transition

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology
  • Cell Biology

Cite this

Estrogen-induced cyclin D1 and D3 gene expressions during mouse uterine cell proliferation in vivo : Differential induction mechanism of cyclin D1 and D3. / Geum, Dongho; Sun, Woong; Paik, Sang Ki; Lee, Chung Choo; Kim, Kyungjin.

In: Molecular Reproduction and Development, Vol. 46, No. 4, 01.04.1997, p. 450-458.

Research output: Contribution to journalArticle

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