In short, SUMO helps the PRC1 complex repress genes, and SENP2 reverses this repression, allowing gene transcription and expression.
总之，相扑帮助PRC1复合体抑制基因，SENP2逆转这种抑制，使得基因转录和表达。
This phenomenon is mostly seen in imprinted genes and X-chromosome inactivation where DNA methylation of promoter regions leads to repression of gene expression.
这种现象主要在印迹基因和X染色体失活区域看到，这些区域中的启动子区的DNA甲基化导致了基因表达的抑制。
Histone acetylation contributes to expression of gene, while histone deacetylation leads to repression of gene expression.
组蛋白乙酰化促进基因表达，而去乙酰化则抑制基因表达。
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