Review Article

Environmental Epigenetics: Crossroad between Public Health, Lifestyle, and Cancer Prevention

Table 5

Principal ncRNAs.

ncRNALength (bp)Function

miRNA21–23mRNA targeting
siRNA20–25Targeting of specific genes by sequence complementarity
piRNA27–30 Chromatin regulation and transposon silencing
XiRNA24–42Control X chromosome methylation and inactivation
Long ncRNA>200Various, including targeting of specific genes