Key points from article :
Previous attempts resulted in younger cells but the mice developed tumours.
Salk Institute Salk researchers changed the way four genes were expressed for a short period, instead of totally reverting to stem cells.
Maintained the cell’s identity while reversing age-associated hallmarks.
Ageing has plasticity and might be reversed.
They also reported positive results in tests on human cells in the laboratory.
The study was published in the Cell journal.
COMMENT: We’re on the verge of a rejuvenation revolution