Simple blood test detects heart transplant rejection

Easy assay found signs months before biopsy

By Nathan Seppa, 12:34 PM June 18, 2014

Heart transplant recipients whose bodies are starting to reject the new organ might carry genetic warning signs. A new test of recipients’ blood appears as accurate in catching rejection as a heart biopsy, the current gold standard for monitoring donated hearts, researchers led by Stephen Quake and Kiran Khush of Stanford University report in the June 18 Science Translational Medicine.

The scientists scoured each heart recipient’s blood for free-floating DNA from the donor. The researchers dis...

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