In healthy cells, certain short sequences of DNA carry methyl groups that serve as tags controlling gene activity.

健康个体的某些短小的DNA序列上会带有甲基，做为调控基因活性的标签。

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That cell hybridization can be used to dissect regulatory mechanisms controlling gene expression in eukaryotic cells.

杂交细胞能被应用于剖析真核细胞中控制基因表现的调节机理。

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Transcription factors play an essential role in controlling gene expression during cardiac and vascular pathogenesis.

在心血管发病机理中，转录因子对基因表达调控起重要的作用。

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Similarly, a mouse which had its own gene controlling development of the eye replaced by the homologous fly gene developed a normal mouse eye.

ECONOMIST: Genetic science

Much of this proprietary DNA is involved in regulating gene activity for example, controlling how much of a protein is produced, rather than changing the nature of the protein itself.

ECONOMIST: Evolution

Sharpening its efficacy, the gene therapy is not activated until a patient takes a pill, controlling how much of the protein is released at what time.

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