Treatment with a molecule known as A485 can quickly and temporarily increase levels of white blood cells, a critical part of the body's immune system, an effect that is difficult to deliver with ...

A single molecular switch is essential for blood stem cells to enter an activated, regenerative state in which they produce new blood cells, according to a preclinical study led by Weill Cornell ...

They found that lipopolysaccharide, or LPS -- a molecule found on the surface of certain bacteria like E. coli -- can directly activate proteins in the blood that trigger clotting.