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A new study by the King's College London has found specific molecular profiles that identify women at risk of pre-eclampsia during pregnancy.The research has been published in the 'Nature Journal'.The study involved researchers from King's and Guy's and St Thomas' NHS Foundation Trust in partnership with Mirvie. The study examined genetic material found in blood samples that can predict pregnancy complications such as pre-eclampsia.Pre-eclampsia effects up to 1 in 12 pregnancies and is a significant cause of maternal morbidity. It is also a cause of a higher risk of cardiovascular disease. Most cases of pre-eclampsia are diagnosed when the mother experiences symptoms in the third trimester. This study could widen the window of detection and lead to quicker intervention.Professor Rachel Tribe, Department of Women and Children's Health, King's College London, said, "I am delighted to be involved in this important collaborative effort to develop a new tool to predict pre-eclampsia. Using a cutting-edge sequencing approach, we were able to detect cell-free RNA (cfRNA) in the blood of pregnant women. These provided a molecular signature that can be used to identify women at risk of pre-eclampsia."She added, "Excitingly, this requires only a single blood sample and has potential to identify women at risk much earlier in pregnancy so that they can be more closely monitored and treated by the clinicians involved."Researchers took 2500 blood samples from eight prospectively collected cohorts that included multiple ethnicities, nationalities, socioeconomic contexts, and geographic locations. They then examined the anonymised cfRNA profiles - signals from the foetus and pregnant mother's tissues - that reflect foetal development and healthy pregnancy progression. This provided a non-invasive window into maternal and foetal health.In this study, researchers showed the cfRNA signals which deviated from those of a healthy pregnancy. One single blood sample could reliably identify women at risk of developing pre-eclampsia months prior to the presentation of the disease.Using machine learning to analyse tens of thousands of RNA messages from the mother, baby, and placenta, the Mirvie RNA platform can identify 75 per cent of women who go on to develop pre-eclampsia. Researchers hope this test can be widened to investigate other pregnancy complications, such as preterm birth.Professor Tribe explained, "Because the study drew upon samples for a diverse group of women, including participants recruited across King's Health Partners, the molecular signature is very reliable and has potential to outperform currently available tests.""We are now focused on ongoing clinical research to further validate these results and improve the understanding of other pregnancy complications. As a scientist, it was also extremely interesting to see that the molecular signature tells us something about mechanisms associated with health in pregnancy and complications including pre-eclampsia; such knowledge will aid the development of treatment strategies in the future," she said.The research was supported by the National Institute for Health Research (NIHR) through the NIHR Guy's and St Thomas' Biomedical Research Centre and an NIHR Doctoral Research Fellowship.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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A new study by the King's College London has found specific molecular profiles that identify women at risk of pre-eclampsia during pregnancy. ...