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:  Identification of a novel cyclosporin - sensitive element in the human tumor necrosis factor alpha gene promoter .

Answer: tumor necrosis factor


Question:  A clinically acceptable synthetic derivative of MDP , namely murabutide ( MB ) , has been found to present interesting pharmacological properties and to suppress HIV - 1 replication in monocyte - derived macrophages ( MDM ) .

Answer: HIV - 1


Question:  Sequence variation at both C / EBP and ATF / CREB sites affects the molecular interactions involved in mediating both of these mechanisms .

Answer:
C / EBP