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    GlossaryHistone Methylation

    process adding methyl groups to histone proteins, affecting gene expression

    Histone methylation is a biological process where methyl groups are added to histone proteins, which help package DNA in cells. This modification can either activate or repress gene expression, influencing how genes are turned on or off. For professionals, it's a key epigenetic mechanism that affects chromatin structure and function, playing a crucial role in development, differentiation, and disease.

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