TASK DEFINITION: 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.
PROBLEM: Using electrophoretic mobility shift assays and Western and Northern blot analyses , we studied NF - kappa B1 gene expression during T - cell stimulation via CD2 + CD28 .

SOLUTION: CD2 + CD28

PROBLEM: T cell stage - specific PcG expression profiles suggest that PcG genes contribute to regulation of T cell differentiation .

SOLUTION: PcG genes

PROBLEM: B lymphocyte stimulator ( BLyS ) is a novel member of the TNF family of proteins expressed by myeloid cells as membrane - bound and soluble forms .

SOLUTION:
B lymphocyte stimulator