Tag: <span>progenitor cell</span>

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Researchers find elusive source of most abundant immune cell

Neutrophils—short-lived, highly mobile and versatile—outnumber all other immune cells circulating through the bloodstream. Yet, despite the cells’ abundance, the progenitor cell that only gives rise to neutrophils had eluded all efforts to track it down. Now, researchers at La Jolla Institute for Allergy and Immunology identified a progenitor of neutrophils in the bone marrow of...