Characterization of placental and decidual cell development in early pregnancy loss by single-cell RNA sequencing

Characterization of placental and decidual cell development in early pregnancy loss by single-cell RNA sequencing

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Abstract Background Early pregnancy loss (EPL) presents as sporadic or recurrent miscarriage during the first trimester.In addition to chromosomal defects, EPL may result from impairment of the placental-decidual interface Lab Coats at early gestational age due to gene-environmental interactions.Methods To better understand the pathogenesis associated with this impairment, cell development in chorionic villi and decidua of different forms of EPL (sporadic or recurrent) was investigated with single-cell RNA sequencing and compared to that of normal first-trimester tissue.

Results Unique gene expression signatures were obtained for the different forms of EPL and for normal tissue and the composition of placental and decidual cell clusters in each form was established.In particular, the involvement of macrophages in the EPL phenotypes was identified revealing an immunoactive state.Conclusion Differential gene expression and unique marker genes among cell clusters from chorionic villi and decidua of Wire Harness Kit miscarried and normal pregnancies, may lead to identification of biomarker for EPL.