For the first time, scientists have reprogrammed the stem cells of a 114-year-old woman, the oldest donor to date.
After first transforming cells from her blood sample into induced pluripotent stem cells (iPSCs), the researchers then generated mesenchymal stem cells, which help to maintain and repair tissues like bone, cartilage and fat.
“We set out to answer a big question: Can you reprogram cells this old?” says stem cell biologist Evan Snyder at Sanford Burnham Prebys Medical Discovery Institute in California.
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