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.
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Question:  In addition , the proliferative advantage of p12 ( I ) - transduced PBMCs was evident mainly at low concentrations of IL - 2 .

Answer: IL - 2


Question:  Similarly , A / R - induced E - selectin expression and neutrophil - endothelial cell adhesion were blocked by inhibition of PKC or PTK , while only PTK inhibited the redox - induced adhesion response .

Answer: E - selectin


Question:  It is concluded that anti - inflammatory salicylates , by means of a previously unrecognized mechanism of action , can influence the nature of adaptive immune responses by selectively inhibiting the expression of IL - 4 , a critical effector of these responses , in CD4 + T cells .

Answer:
IL - 4