Latest Terry Schiavo Stories

Researchers have produced the strongest evidence yet that mitochondria "” the organelles that generate energy to power the cell "” also monitor oxygen concentration in the cell. If oxygen slips below a critical threshold, the mitochondrial "sensor" triggers protective responses to promote survival. Understanding how the cell senses and protects itself against hypoxia (low oxygen) has both important basic and clinical implications for biology and medicine, said one of the study's senior...