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Inhibitory effects of tyrosine kinase inhibitors on capacitative Ca2+ entry in rat glioma C6 cells.

机译:酪氨酸激酶抑制剂对大鼠神经胶质瘤C6细胞中Ca2 +进入能力的抑制作用。

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摘要

The effects of genistein and erbstatin analogue, inhibitors of tyrosine kinase, on Ca2+ mobilization evoked by thapsigargin (TG) were examined in rat glioma C6 cells. Genistein and erbstatin analogue inhibited the Ca2+ release from intracellular pools as well as Ca2+ entry from extracellular medium evoked by TG in a dose-dependent manner. However, they did not affect a Ca2+ entry due to leakage of Ca2+ from extracellular medium into cells. The present results suggest that tyrosine kinase inhibitors inhibit capacitative Ca2+ entry due to the inhibition of both Ca2+ entry itself and Ca2+ release in rat glioma C6 cells.
机译:在大鼠神经胶质瘤C6细胞中,检测了染料木黄酮和酪氨酸激酶抑制剂erbstatin类似物对thapsigargin(TG)引起的Ca2 +动员的影响。 Genistein和erbstatin类似物以剂量依赖的方式抑制了TG引起的细胞内池中Ca2 +的释放以及细胞外培养基中Ca2 +的进入。但是,由于Ca2 +从细胞外培养基泄漏到细胞中,因此它们不影响Ca2 +的进入。本结果表明酪氨酸激酶抑制剂由于抑制了大鼠神经胶质瘤C6细胞中的Ca 2+进入本身和Ca 2+释放而抑制了电容性Ca 2+进入。

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