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.

Q:  Studies to date have identified elements 5 ' to the IL - 3 coding sequences that regulate its transcription , but the sequences that confer T cell - specific expression remain to be clearly defined .

A: IL - 3
****
Q:  Cytotoxic T lymphocytes directed against well - characterized epitopes of EBV latency genes represent an already successful and promising therapeutic approach to EBV - associated lymphomas , in particular PTLDs

A: EBV latency genes
****
Q:  The presence of a glucocorticoid receptor in human lymphocytes is well established , but factors affecting its regulation have not been described .

A:
glucocorticoid receptor
****