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Updated: Jul 11, 2026

Methyl-binding DNA capture Sequencing for Patient Tissues
Published on: October 31, 2016
Comparative epigenome-wide analysis highlights placenta-specific differentially methylated regions
Marika Groleau1, Frédérique White1, Andres Cardenas2
1Département de Biologie, Université de Sherbrooke, Sherbrooke, Québec, J1K 2R1, Canada.
The placenta exhibits unique DNA methylation programming. Comparing placental and fetal blood DNA methylation reveals distinct genomic regions, offering insights into placental function.
Area of Science:
- Epigenetics
- Genomics
- Developmental Biology
Background:
- The placenta has a unique DNA methylation (DNAm) profile distinct from other fetal tissues.
- Understanding these epigenetic differences is key to deciphering placental physiology.
Purpose of the Study:
- To compare the genome-wide DNA methylation profile of the placenta with that of another fetal tissue.
- To identify specific genomic regions and associated functions that are differentially methylated in the placenta.
Main Methods:
- Comparative analysis of genome-wide DNA methylation in 444 paired placenta and cord blood samples.
- Utilized Gene Ontology term analysis on differentially methylated regions.
Main Results:
- Identified genomic regions with lower DNA methylation upstream of transcription start sites in the placenta compared to fetal blood.
- These regions were significantly enriched for terms related to microRNA (miRNA) functions and G-protein-coupled receptors.
Conclusions:
- The study highlights specific differentially methylated genomic regions in the placenta relative to fetal blood.
- These findings contribute to understanding the unique epigenetic programming and physiological roles of the placenta.
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