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:  By contrast , CIS failed to affect the IL - 9 response .

Answer: IL - 9


Question:  We have utilized transient transfections , mutation analysis , electromobility gel - shifts , and immunoblot analysis to test the hypothesis that expression of the CTalpha gene is controlled in part by the binding of three trans - acting nuclear factors , Sp1 , Sp2 , and Sp3 .

Answer: CTalpha gene


Question:  Elements regulating cell - and stage - specific expression of the C . elegans MyoD family homolog hlh - 1 .

Answer:
hlh - 1