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:  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 .

SOLUTION: IL - 3

PROBLEM:  We used several agents active on signal transduction pathways in cytokine expression , such as the protein kinase C inhibitor staurosporin , antioxidant agents including N - acetyl cysteine ( NAC ) and pyrrolidine dithiocarbamate ( PDTC ) , and p38 mitogen - activated protein kinase ( MAPK ) inhibitor SB203580 .

SOLUTION: protein kinase C

PROBLEM:  Therefore , upon in vivo androgen treatment , other cells containing androgen receptors than thymocytes are probably involved in inducing the increase in thymic apoptosis .

SOLUTION:
androgen receptors