Test identifies nine blood markers tied to depression; predicts who will benefit from therapy
The first blood test to diagnose major depression in adults has been developed by Northwestern Medicine® scientists, a breakthrough approach that provides the first objective, scientific diagnosis for depression. The test identifies depression by measuring the levels of nine RNA blood markers. RNA molecules are the messengers that interpret the DNA genetic code and carry out its instructions.
The blood test also predicts who will benefit from cognitive behavioral therapy based on the behavior of some of the markers. This will provide the opportunity for more effective, individualized therapy for people with depression.
In addition, the test showed the biological effects of cognitive behavioral therapy, the first measurable, blood-based evidence of the therapy’s success. The levels of markers changed in patients who had the therapy for 18 weeks and were no longer depressed.
“This clearly indicates that you can have a blood-based laboratory test for depression, providing a scientific diagnosis in the same way someone is diagnosed with high blood pressure or high cholesterol,” said Eva Redei, who developed the test and is a professor of psychiatry and behavioral sciences at Northwestern University Feinberg School of Medicine. “This test brings mental health diagnosis into the 21st century and offers the first personalized medicine approach to people suffering from depression.”
The Latest on: Depression
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The Latest on: Depression
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