at the Salk Institute for Biological Studies in San Diego, have already engineered mice that have all of the Yamanaka factors from birth; these can be turned on by injecting the mice with doxycycline. In a now-famous study from 2016, when Belmonte triggered the Yamanaka factors for just two days a week throughout the lifespan of a prematurely aging mouse breed called LMNA, the mice remained young compared to their untreated siblings and lived 40 percent longer.
Yamanaka factor. Doxycycline.
