The mechanism of butyric acid is multifaceted and its involvement in the regulation of gene expression.

丁酸的作用机制是多方面的，其中许多机制与其参与基因表达的调控作用有关。

It has recently reported that chromatin modification plays an important role in regulation of gene expression.

近年研究发现，染色质修饰在基因表达调节中起重要作用。

Histone is the core of chromatin, and covalent modification of histone tails have fundamental roles in regulation of gene expression.

组蛋白是染色质的核心，其尾部共价修饰在基因表达调控中有重要作用。

Our data suggest that epigenetic regulation of gene expression is likely to be a key factor in the functional specificity of cytotrophoblasts.

我们的数据表明基因表达的表观遗传调控可能是细胞滋养细胞功能特异性的一个关键因子。