B7-1 and B7-2 do not deliver identical costimulatory signals, since B7-2 but not B7-1 preferentially costimulates the initial production of IL-4
Author:
Gordon J. Freeman,Vassiliki A. Boussiotis,Anukanth Anumanthan,Gregory M. Bernstein,Xiao-Yen Ke,Paul D. Rennert,Gary S. Gray,John G. Grlbben,Lee M. Nadler
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