Meanwhile, Jillian Shapiro of MountSinaiMedicalSchool figured out away to get another new type of genetic material, called microRNA, into cells using viruses.
The two-month timetable probably won't be enough time to heal fully, said Dr. Michael Hausman, an orthopedic surgeon and chief of the hand and elbow service at the Icahn School of Medicine at MountSinaiMedical Center in New York.