ArticleFrontiers in epigenetics and epigenomics2025
Epigenetic profiling of preterm birth: a dual-tissue methylation patterns using long-read sequencing.
Article in Frontiers in epigenetics and epigenomics, 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
Introduction: Preterm birth (PTB), a leading cause of neonatal morbidity and mortality, arises from complex maternal-fetal interactions with multifactorial origins. Emerging evidence suggests that epigenetic dysregulation may mediate these interactions. This study aimed to identify DNA methylation changes associated with PTB to uncover potential biomarkers and underlying mechanisms. Methods: We employed long-read sequencing to profile genome-wide DNA methylation followed by gene ontology and pathway enrichment analysis in matched maternal peripheral blood and neonatal cord blood from 15 preterm and 7 full-term deliveries (mother-infant pairs). Results: A total of 1,151 significantly differentially methylated regions (DMRs) and 25,336 differentially methylated loci (DMLs) were identified across maternal and neonatal blood samples. In maternal blood from PTB cases, the most significantly hypermethylated genes were Conclusion: This is the first dual-tissue PTB study using long-read methylation profiling. Our results reveal distinct and shared epigenetic signatures in maternal and neonatal compartments, offering insights into the molecular etiology of PTB and potential biomarkers for early detection and therapeutic intervention.
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