Why Vampires Live So Long

NYTimes: Two teams of scientists published studies on Sunday showing that blood from young mice reverses aging in old mice, rejuvenating their muscles and brains. As ghoulish as the research may sound, experts said that it could lead to treatments for disorders like Alzheimer’s disease and heart disease.

wallpaper-true-blood-bottle-1600The key papers are here and here and here. Some of the papers are pointing to a specific protein but the last paper suggests that simple transfusions also work and that raises a number of issues of public policy. As Derek Lowe notes:

Since blood plasma is given uncounted thousands of times a day in every medical center in the country, this route should have a pretty easy time of it from the FDA. But I’d guess that Alkahest is still going to have to identify specific aging-related disease states for its trials, because aging, just by itself, has no regulatory framework for treatment, since it’s not considered a disease per se.

…You also have to wonder what something like this would do to the current model of blood donation and banking, if it turns out that plasma from an 18-year-old is worth a great deal more than plasma from a fifty-year-old. I hope that the folks at the Red Cross are keeping up with the literature.


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