ArticleAnimals : an open access journal from MDPI2025
Preliminary Analysis of Placental DNA Methylation Profiles in Piglets with Extreme Birth Weight Variations.
Article in Animals : an open access journal from MDPI, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Adequate birth weight is essential for animal survival and subsequent growth. However, the mechanism by which placental DNA methylation influences fetal growth remains incompletely understood. This study employed whole-genome bi-sulfite sequencing (WGBS) and RNA sequencing to analyze placental tissues from two weak piglets and two normal piglets born to the same sow. Transcriptome analysis identified 1989 differentially expressed genes (DEGs) enriched in blood/immune processes. Additionally, differentially methylated regions linked to DEG repression were enriched in extracellular matrix (ECM) receptors and angiogenesis pathways. To investigate the role of DNA methylation in gene regulation, porcine trophoblast cells (PTr2) were treated with either DMSO (control) or the DNA methylation inhibitor 5-Aza-2'-deoxycytidine (5-Aza). Real-time quantitative PCR (RT-qPCR) analysis demonstrated significant upregulation of
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