> > If this slow growth stage is similar to [human cell] quiescence then the
> > cells would be "normal" both before and after experiencing this slow growth
> > stage and that appears to be the case.
>> No. A simple way to see this is to consider the reversibility of the cells'
> state. Cells that escape from quiescence on demand, e.g. by removing contact
> inhibition, are indeed normal, but they can also be returned to quiescence
> on demand by restoring contact inhibition. This is a totally unambiguous
> difference from cells that spontaneously, and irreversibly, escape from
> slow growth. Cells can also escape spontaneously (and irreversibly) from
> quiescence, of course, but then they're likewise no longer normal.
>> Aubrey de Grey
Oops. Nevermind my last post - I think this means you agree with
me.
James
