Human adults keep stem cell pools on hand
in key tissues, including the blood.
As was mentioned above, ingestion of carbohydrate along with protein can increase insulin response above that derived from protein ingestion alone, thereby improving protein / amino acid uptake in
key tissues such as muscle and gut.
Whatever the source of pluripotent cells, Thomson says, researchers face the same scientific challenges — namely, understanding how to convert them
into key tissues such as the beta islet cells that are impaired in diabetics, and then how to introduce them safely and effectively into humans.
«The germline was
the key tissue for the synergistic gain in longevity — we think it may be where the interactions between the two mutations are integrated,» Chen said.
This image uses color to highlight
the key tissues that enable tadpole eye function.
Pain that does not go away or pain that occurs with every activity indicates that
the key tissues are irritated enough that they are sending pain signals even without motion.