First you need to show that expression of the gene does decline over the human lifetime. So far we only know that it declines in mice as they age (and senescence in mice is not a good guide for large bald primates).
First you need to show that expression of the gene does decline over the human lifetime. So far we only know that it declines in mice as they age (and senescence in mice is not a good guide for large bald primates).
