"This represents a milestone in 'personalized medicine' for Parkinson's," said Kwang-Soo Kim, director of the Molecular Neurobiology Laboratory at McLean Hospital.
Professor Jian Feng of the Jacobs School of Medicine and Biomedical Sciences told Newsweek: "This will enable the generation of human cells, tissues or even organs in animals."
"Why do supercentenarians age so slowly?" study author Evan Y. Snyder said. "We are now set to answer that question in a way no one has been able to before."
In general, these kinds of small studies are done to make sure a treatment is safe. To figure out whether it really works, more studies have to be done.