Mayo Clinic researchers have identified a new member of the important B7 family of immune system "co-stimulators." Co-stimulators are molecules that are capable of turning the immune system on or off -- and in the process, profoundly affecting human health.
Mayo Clinic researchers named this newest molecule B7-H4. It inhibits the action of T cells, the immune system warriors whose basic job is to attack invaders. Turning off T cells helps transplant patients accept foreign organs. But turning off T cells harms cancer patients -- their tumors continue to grow without defensive attacks by T cells. The Mayo Clinic report appears in the June 17 issue of Immunity.
These findings may help researchers learn how to manipulate immune system co-stimulators to serve such therapeutic objectives as:
Mary Lawson | EurekAlert!
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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