Author:
Gomez-Lopez Nardhy,Romero Roberto,Galaz Jose,Bhatti Gaurav,Done Bogdan,Miller Derek,Ghita Corina,Motomura Kenichiro,Farias-Jofre Marcelo,Jung Eunjung,Pique-Regi Roger,Hassan Sonia S,Chaiworapongsa Tinnakorn,Tarca Adi L
Abstract
Abstract
The complex physiologic process of parturition includes the onset of labor, which requires the orchestrated stimulation of a common pathway involving uterine contractility, cervical ripening, and chorioamniotic membrane activation. However, the labor-specific processes taking place in these tissues have limited use as predictive biomarkers unless they can be probed in non-invasive samples, such as the peripheral blood. Herein, we utilized a transcriptomic dataset to assess labor-specific changes in the peripheral blood of women who delivered at term. We identified a set of genes that were differentially expressed with labor and enriched for immunological processes, and these gene expression changes were strongly correlated with results from prior studies, providing in silico validation of our findings. We then identified significant correlations between labor-specific transcriptomic changes in the maternal circulation and those detected in the chorioamniotic membranes, myometrium, and cervix of women at term, demonstrating that tissue-specific labor signatures are partly mirrored in the peripheral blood. Finally, we demonstrated a significant overlap between the peripheral blood transcriptomic changes in term parturition and those observed in asymptomatic women, prior to the diagnosis of preterm prelabor rupture of the membranes, who ultimately delivered preterm. Collectively, we provide evidence that the normal process of labor at term is characterized by a unique immunological expression signature, which may serve as a useful tool for assessing labor status and for potentially identifying women at risk for preterm birth.
Publisher
Oxford University Press (OUP)
Subject
Cell Biology,General Medicine,Reproductive Medicine
Cited by
19 articles.
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