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A comment on Anti-ageing protein injection boosts monkeys’ memories. Parent comment

Re:Anti-ageing protein injection boosts monkeys’ memories by JPLeRouzic on Tuesday July 04, 2023 @11:58AM (#36588404)
And some cells do not reproduce (neurons, etc), so you have to keep them in good shape, except this is impossible. For example 1/3 people are infected with Herpes virus which stays in their neurons.

In addition some cells reproduce only a few times, often only during youth.

And there is sometimes involution like in thymus.

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Re:Anti-ageing protein injection boosts monkeys’ memories by jayGlow on Tuesday July 04, 2023 @09:52PM (#36594690)
those cells reproduce at some point, I imagine that if aging can be reversed new cell growth could also be stimulated.
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Re:Anti-ageing protein injection boosts monkeys’ memories by JPLeRouzic on Wednesday July 05, 2023 @10:51AM (#36601220)
> "those cells reproduce at some point,"

No some cells never reproduce, for example motor neurons.

> "I imagine that if aging can be reversed new cell growth could also be stimulated."

I have a hard time to imagine how to replace a up to one meter/yard long cell with sometimes hundred of synapses which is surrounded by cells such as astroglia and microglia that are equally important.

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