IWP-4是Wnt通路的有效抑制剂,通过调节蛋白Porupine(Porcn)的表达来抑制,其IC50值为25 nM。IWP-4 阻断棕榈酸酯化以及随后的Wnt分泌和活性。IWP-4诱导人多能干细胞分化为心肌细胞,IWP-4诱导心脏标志物的表达,包括心肌肌钙蛋白I(CTNI)和心肌肌球蛋白重链亮细胞(MYHhi +)。
参考文献
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冰袋运输。粉末直接保存于-20℃,有效期2年。建议分装后-20℃避光保存,避免反复冻融。