Play

Circulating cell free DNA fragments are found in your bloodstream when cells die and release what’s inside. Some of that DNA is your genetic material and some comes from mitochondria, the power plants of your cells. Johns Hopkins geriatrics expert …

Are circulating DNA and inflammation related? Elizabeth Tracey reports Read more »

Play

You may have heard the term ‘liquid biopsy.’ Most often referring to cancer detection, such technology aims to find materials circulating in the blood that give clues to a tumor’s presence. Now such a strategy is being used to look …

Can a blood test for DNA predict Alzheimer’s disease and frailty? Elizabeth Tracey reports Read more »

Play

Some cancer tests and prenatal assessments already use DNA found circulating in someone’s blood to look for certain cancers or assure the health of a fetus. Now Peter Abadir, a geriatrics expert at Johns Hopkins, and colleagues are using such …

A blood test looking for your DNA is proving increasingly useful, Elizabeth Tracey reports Read more »

Play

You have quite a lot of the genetic material DNA circulating in your bloodstream. Peter Abadir, a geriatrics expert at Johns Hopkins, is looking at DNA from two different sources to provide information on aging. Abadir: The genomic DNA is …

Your own genetic material from two cellular locations can be found in your blood, Elizabeth Tracey reports Read more »