As with BMP4, the more that calmodulin was expressed, the longer the beak became.

像BMP4一样，卡莫·杜林基因表达得越强，雀喙就会变得越长。

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Monoclonal antibody is produced by immunizing animals with a BMP4 fusion protein.

单克隆抗体由BMP4融合蛋白免疫动物产生。

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Mice with BMP4 beads survived much longer, and 80 percent survived four months after cancer cell implants.

注射BMP4粒子的小鼠生存时间长得多，癌细胞植入后，80%小鼠活到4个月。

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