Circulating trophoblast cell clusters for early detection of placenta accreta spectrum disorders

Author:

Afshar Yalda,Dong JiantongORCID,Zhao Pan,Li Lei,Wang Shan,Zhang Ryan Y.ORCID,Zhang Ceng,Yin OpheliaORCID,Han Christina S.,Einerson Brett D.,Gonzalez Tania L.ORCID,Zhang Huirong,Zhou AnqiORCID,Yang ZhuoORCID,Chou Shih-Jie,Sun NaORCID,Cheng Ju,Zhu Henan,Wang JingORCID,Zhang Tiffany X.ORCID,Lee Yi-TeORCID,Wang Jasmine J.,Teng Pai-Chi,Yang PengORCID,Qi DongpingORCID,Zhao MeipingORCID,Sim Myung-Shin,Zhe Ruilian,Goldstein Jeffrey D.ORCID,Williams John,Wang Xietong,Zhang Qingying,Platt Lawrence D.,Zou ChangORCID,Pisarska Margareta D.ORCID,Tseng Hsian-RongORCID,Zhu YazhenORCID

Abstract

AbstractPlacenta accreta spectrum (PAS) is a high-risk obstetrical condition associated with significant morbidity and mortality. Current clinical screening modalities for PAS are not always conclusive. Here, we report a nanostructure-embedded microchip that efficiently enriches both single and clustered circulating trophoblasts (cTBs) from maternal blood for detecting PAS. We discover a uniquely high prevalence of cTB-clusters in PAS and subsequently optimize the device to preserve the intactness of these clusters. Our feasibility study on the enumeration of cTBs and cTB-clusters from 168 pregnant women demonstrates excellent diagnostic performance for distinguishing PAS from non-PAS. A logistic regression model is constructed using a training cohort and then cross-validated and tested using an independent cohort. The combined cTB assay achieves an Area Under ROC Curve of 0.942 (throughout gestation) and 0.924 (early gestation) for distinguishing PAS from non-PAS. Our assay holds the potential to improve current diagnostic modalities for the early detection of PAS.

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry

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