Now, scientists have a provocative new theory that might explain in part this universal human decline:
Dying cells secrete a protein that could trigger others to die as well, accelerating the body's deterioration.
Not exact matches
Scientists believe these neural stem
cells secrete hormonal steroids or proteins that nurse ailing neurons, preventing them from
dying, and stimulate the formation of blood vessels that nourish damaged tissue with nutrients and oxygen.
Then they
secrete onto its surface a lethal pore - forming protein that causes the target
cell to leak and
die
Same thing in giant turtles who normoglycemic or hypoglycemic for their entire life; Centenarians have reduced blood glucose levels and reduced blood glucose increase over the years, their blood glucose is monotonic plateau, where as elders
dying below 80s show blood glucose rise each decade until their death, their pancreatic Beta
cells can't
secrete enough insulin and they are mildly pre - diabetic / insulin resistant.