他们认为每类细胞都应该有一组特殊的转录因子。

Each type of cell is thought to have a special set of transcription factors.

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细胞通过特殊蛋白质如激素、细胞因子或其它分子传感器而持续感受外界环境变化并作出反应。

Cells continuously sense and respond to their changing environmental conditions via specialized proteins such as the hormones, cytokines, or other molecular sensors.

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一种被称为缺氧诱导因子蛋白的特殊蛋白，控制帮助低氧条件下生存的基因。低氧的区域通常产生肿瘤的快速生长。

A specific protein, called the hypoxia-inducible factor protein, controls genes that help calls survive under low-oxygen conditions. Areas of low oxygen are common for fast-growing tumors.

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The receptor for estrogen is a special molecule called a DNA binding factor.

雌激素受体是一类特殊的分子,叫做DNA结合因子

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