Article
Induction of utrophin gene expression by heregulin in skeletal muscle cells: Role of the N-box motif and GA binding protein
16 Mar 1999
Abstract excerpt
The modulation of utrophin gene expression in muscle by the nerve-derived factor agrin plausibly involves the trophic factor ARIA/heregulin. Here we show that heregulin treatment of mouse and human cultured myotubes caused a approximately 2.5-fold increase in utrophin mRNA levels. Transient transfection experiments with utrophin promoter-reporter gene constructs showed that this increase resulted from an enhanced...
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