Latest Gregg Semenza Stories
A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells.
Cells grow abundant when oxygen is available, and generally stop when it is scarce.
It's long been known that cancer cells eat a lot of sugar to stay alive.
Blood vessel blockage, a common condition in old age or diabetes, leads to low blood flow and results in low oxygen, which can kill cells and tissues.
- A serpent whose bite was fabled to produce intense thirst.