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.

 Paclitaxel caused a rapid and transient increase in c - Jun NH2 - terminal kinase ( JNK ) activity , a proposed mediator of stress activation pathways .
c - Jun

 TAF - 1 activates transcription constitutively and was mapped to the first 32 amino acids of the A - region .
TAF - 1

 Furthermore , the induction of cytochrome P - 450 1A1 observed in the cormorant indicates that the Ah receptor - mediated process , by which TCDD and related chemicals exert many of their toxicities , has been activated .

Ah receptor