• Indian J Med Res · Oct 2023

    Review

    Early prediction of pre-eclampsia using circulating placental exosomes: Newer insights.

    • Aishwarya Rao, Uma Shinde, Dhanjit Kumar Das, Nafisa Balasinor, and Taruna Madan.
    • Department of Innate Immunity, ICMR-National Institute for Research in Reproductive & Child Health, Mumbai, Maharashtra, India.
    • Indian J Med Res. 2023 Oct 1; 158 (4): 385396385-396.

    AbstractPre-eclampsia (PE), a multifactorial de novo hypertensive pregnancy disorder, is one of the leading causes of foeto-maternal morbidity and mortality. Currently, antihypertensive drugs are the first-line therapy for PE and evidence suggests that low-dose aspirin initiated early in high risk pregnancies may reduce the risk of development or severity of PE. However, an early prediction of this disorder remains an unmet clinical challenge. Several potential serum biomarkers associated with maternal immunoregulation and placental angiogenesis have been evaluated but are ineffective and inconsistent for early prediction. Although placental biomarkers would be more specific and sensitive in predicting the risk of PE, accessing the placenta during pregnancy is not feasible. Circulating placental exosomes (pEXO), originating from foeto-maternal interface, are being evaluated as the placenta's surrogate and the best source of non-invasive placental biomarkers. pEXO appear in the maternal circulation starting from six weeks of gestation and its dynamic biological cargo across pregnancy is associated with successful pregnancy outcomes. Therefore, monitoring changes in pEXO expression profiles could provide new insights into the prediction, diagnosis and treatment of PE. This narrative review comprehensively summarizes the available literature on the candidate predictive circulating biomarkers evaluated for PE to date. In particular, the review elucidates the current knowledge of distinct molecular signatures emanating from pEXO in pre-eclamptic women to support the discovery of novel early predictive biomarkers for effective intervention and management of the disease.Copyright © 2023 Copyright: © 2023 Indian Journal of Medical Research.

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