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NPTX2 is the abbreviation for a protein found in the brain that may allow much more accurate prognosis of who’s at risk for developing neurocognitive disorders, including Alzheimer’s disease and other dementias. That’s according to Johns Hopkins neuroscientist Paul Worley, …

Accurately predicting who’s at risk to develop Alzheimer’s disease may now be easier, Elizabeth Tracey reports Read more »

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Proteins known as tau and beta amyloid have been part of the dialogue on Alzheimer’s disease development for many years, with methods to measure them and drugs to remove them active areas of research. Another protein involved in the process …

What can proteins in the blood and elsewhere teach us about developing dementia? Elizabeth Tracey reports Read more »

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Increased cell death, increased levels of DNA in the blood, increased inflammation, and increased risk for Alzheimer’s disease. That appears to be one scenario to explain findings by Johns Hopkins geriatrics expert Peter Abadir on the relationship between circulating cell …

How much does increased levels of DNA in the blood increase dementia risk? Elizabeth Tracey reports Read more »

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Walking speed is a commonly used measure for health, as it’s easy to do and doesn’t cost much. Now a study by Peter Abadir, a Johns Hopkins geriatrics expert, links walking speed to cell death, as measured by release of …

Is walking speed linked to cell death? Elizabeth Tracey reports Read more »

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DNA fragments found in your blood, so called circulating cell free DNA, come from your cells as they die. Both genetic material and DNA from your energy plants, known as mitochondria, can be found, and both are implicated in increased …

How does circulating DNA contribute to accelerated aging? Elizabeth Tracey reports Read more »

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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 »

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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 »