Article
Identification of the promoter region of the parathyroid hormone receptor gene responsible for transcriptional suppression by insulin-like growth factor-I.
Archives of biochemistry and biophysics - 1 Jul 2005
Kawane Tetsuya, Mimura Junsei, Fujii-Kuriyama Yoshiaki, Horiuchi Noboru
Abstract excerpt
We investigated parathyroid hormone (PTH)/PTH-related protein receptor (PTH1R) gene suppression induced by insulin-like growth factor (IGF)-I using a rat osteoblast-like cell line (UMR-106). Observations were made with PD98059, a specific ERK signaling pathway inhibitor, and UMR-106 cells transfected with dominant negative or constitutively active forms of MAP kinase kinase. IGF-I inhibited PTH1R gene expression...
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