RNA in Blood Predicts High Blood Pressure During Pregnancy

Biomarkers in serum correlate with preeclampsia, a condition that can lead to fatal hypertension.

Written byDan Robitzski
| 2 min read
A clinician in a white lab coat sitting in a chair uses an arm cuff to measure the blood pressure of a pregnant patient sitting across from them.
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New research suggests that a simple blood test could allow doctors to screen for preeclampsia, a condition marked by dangerously high blood pressure during pregnancy, far more accurately than they can today.

Preeclampsia is thought to stem from improperly developed blood vessels in the placenta, according to the Mayo Clinic. While it can be asymptomatic, the condition sometimes progresses to eclampsia during pregnancy, which can damage organs including the kidneys, liver, and lungs, and can also cause stroke, cardiovascular disease, and brain injuries. In severe cases, doctors will deliver the baby early in order to save the pregnant parent, which can lead to health complications of its own. A study published in Hypertension last September identified a 15-fold increase in maternal mortality caused by hypertensive disorders between 1979 and 2018, illustrating the need for better diagnostics and treatments.

Research published Wednesday (January 5) in Nature describes a new way to ...

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    Dan is an award-winning journalist based in Los Angeles who joined The Scientist as a reporter and editor in 2021. Ironically, Dan’s undergraduate degree and brief career in neuroscience inspired him to write about research rather than conduct it, culminating in him earning a master’s degree in science journalism from New York University in 2017. In 2018, an Undark feature Dan and colleagues began at NYU on a questionable drug approval decision at the FDA won first place in the student category of the Association of Health Care Journalists' Awards for Excellence in Health Care Journalism. Now, Dan writes and edits stories on all aspects of the life sciences for the online news desk, and he oversees the “The Literature” and “Modus Operandi” sections of the monthly TS Digest and quarterly print magazine. Read more of his work at danrobitzski.com.

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