Objective:To investigate the effects of dexamethasone on expression of messenger RNA of tyrosine aminotransferase in a hum an hepatom a cell line(SMMC-772 1cells) .

• 目的 :观察地塞米松 (Dex)对人肝癌细胞系 (SMMC- 772 1细胞 )酪氨酸转氨酶 m RNA表达的影响。