Expression discordance of monozygotic twins at birth: Effect of intrauterine environment and a possible mechanism for fetal programming

Abstract excerpt

Within-pair comparison of monozygotic (MZ) twins provides an ideal model for studying factors that regulate epigenetic profile, by controlling for genetic variation. Previous reports have demonstrated epigenetic variability within MZ pairs, but the contribution of early life exposures to this variation remains unclear. As epigenetic marks govern gene expression, we have used gene expression discordance as a proxy...

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