Regulation of bone sialoprotein mRNA by steroid hormones.

Åke Oldberg, B Jirskog-Hed, Sara Axelsson, Dick Heinegård

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

Sammanfattning

In this report we demonstrate an increase in the steady-state level of bone sialoprotein (BSP) mRNA in rat calvaria and a rat osteosarcoma cell line (ROS 17/2.8) after treatment with the synthetic glucocorticoid, dexamethasone. In contrast, 1.25-dihydroxyvitamin D3 reduced the amount of BSP mRNA in calvaria and inhibited the dexamethasone induction in ROS 17/2.8 cells. The increase in BSP mRNA is most likely due to an increase in the transcriptional rate. The stability of mRNA was unchanged after dexamethasone treatment with a half-life of approximately 5 h. Nuclear transcription experiments with nuclei isolated from ROS 17/2.8 cells showed an increased BSP mRNA synthesis in cells treated with dexamethasone.
Originalspråkengelska
Sidor (från-till)3183-3186
TidskriftJournal of Cell Biology
Volym109
Nummer6 Pt 1
StatusPublished - 1989

Ämnesklassifikation (UKÄ)

  • Oto-rino-laryngologi

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