Researchers have discovered a distinct, secondary population of platelets that appears with aging and have hyperreactive behavior and unique molecular properties, which could make them easier to ...

SAN DIEGO (Reuters) - Scientists have for the first time created blood platelet cells by reprogramming stem cells derived from adult cells, offering the potential for a renewable supply of the fragile ...

Trauma, infection, and other pathological conditions trigger inflammation as a first line of defense. Immune cells rush to the site of injury or acute illness to make repairs and stem further damage.

When a vascular injury occurs, platelets in young mice form much smaller blood clots (left) than platelets in old mice (right), where the clot almost blocks the blood vessel. Fluorescence microscopy ...