instruction:
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
question:
 T cell stage - specific PcG expression profiles suggest that PcG genes contribute to regulation of T cell differentiation .
answer:
PcG genes


question:
 In contrast , vaccination with a peptide encoding an adenovirus type 5 ( Ad5 ) E1A CTL epitope results in CTL tolerance and enhanced growth of an Ad5 E1A - expressing tumor .
answer:
Ad5 E1A


question:
 Indeed , in vivo primed T cells predominantly express p50 / p50 and p65 / p50 dimers , whereas these p50 - containing complexes are barely detectable in tolerant T cells that express p65 - and c - Rel - containing complexes .
answer:

c - Rel