A “death” protein may be the key to slowing aging at its source

Scientists have discovered that a protein linked to cell death is secretly driving the aging of blood stem cells in a completely different way. Instead of killing the cells, it damages their mitochondria, sapping their energy and weakening the immune system over time. When this protein was turned off, stem cells remained stronger and more balanced, even under stress. The findings point to a new strategy for slowing aging at its source.

  Health   Apr 17, 2026   0   4  Add to Reading List
A “death” protein may be the key to slowing aging at its source
Scientists have discovered that a protein linked to cell death is secretly driving the aging of blood stem cells in a completely different way. Instead of killing the cells, it damages their mitochondria, sapping their energy and weakening the immune system over time. When this protein was turned off, stem cells remained stronger and more balanced, even under stress. The findings point to a new strategy for slowing aging at its source.
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