epigenetic marks

What are Epigenetic Marks?

Epigenetic marks are chemical modifications that occur on DNA or histone proteins, influencing gene expression without altering the underlying DNA sequence. These marks include DNA methylation, histone modification, and non-coding RNA molecules, which play a crucial role in regulating gene activity. In the context of toxicology, these marks can be pivotal in understanding how environmental exposures lead to adverse health effects.

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