中文摘要：

snail超家族基因作为一种锌指转录因子参与调控胚胎发育和肿瘤发生过程.不同的家族成员已显示在许多信号的级联放大过程中起作用,包括左右轴识别、附肢形成、神经分化和细胞命运决定等形成过程.

英文摘要：

The snail superfamily of zincfinger transcription factors is involved in the processes of embryonic development and tumour progression. Different family members have been implicated in the signalling cascade that confers leftright identity, as well as in the formation of appendages, neural differentiation, cell division and cell survival. 