Feedback loop maintains basal cell population

Notch – the protein that can help determine cell fate – maintains a stable population of basal cells in the prostate through a positive feedback loop system with another key protein – TGF beta (transforming growth factor ...

Researchers investigate fighting tumors with magnetic bacteria

Scientists around the world are researching how anti-cancer drugs can most efficiently reach the tumors they target. One possibility is to use modified bacteria as "ferries" to carry the drugs through the bloodstream to the ...