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.

[EX Q]:  Phosphorylation was not associated with the induction of cAMP , and inhibition of PKA signaling had no effect on P - CREB .
[EX A]: P - CREB

[EX Q]:  The role of transcription factor activation in other models of pancreatitis has not been established .
[EX A]: transcription factor

[EX Q]:  In conclusion , we illustrate that CD45R0 signals control early cytokine receptor - associated signaling processes and mRNA and DNA synthesis in activated human lymphoblasts .
[EX A]:
cytokine receptor