One potential problem: the Sonic hedgehog gene is linked to basal-cell carcinoma, a common, treatable skin cancer.

还有一个潜在问题，那就是这种“音速刺”基因与基本细胞癌(一种常见的、可治愈的皮肤癌)密切相连。

youdao

Cyclopamine, it turns out, blocks the function of a gene called Sonic hedgehog that is essential for embryonic development but also plays a lead role in causing deadly cancers of the pancreas, skin, prostate and esophagus.

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