Latest Gregg Semenza Stories

2013-02-25 10:43:41

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.

2011-06-13 12:35:48

Cells grow abundant when oxygen is available, and generally stop when it is scarce.

2011-06-06 13:44:41

It's long been known that cancer cells eat a lot of sugar to stay alive.

2009-12-09 01:20:21

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.

Word of the Day
  • A serpent whose bite was fabled to produce intense thirst.
The word 'dipsas' comes from a Greek word meaning 'thirst'.