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The B7-CD28/CTLA-4 costimulatory pathway can provide a signal pivotal for T cell activation. Signaling through this pathway is complex due to the presence of two B7 family members, B7-1 and B7-2, and(More)
Caldesmons are major Ca2+-calmodulin regulated F-actin binding proteins of smooth and non-muscle cells that have been implicated as components of a thin filament regulatory system. Chicken gizzard(More)