Objective To probe the suppressive effect of pokeweed antiviralprotein (PAP) on HCV replication.
目的探讨商陆抗病毒蛋白（PAP）对HCV的抑制作用。
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To test the effect further, they plan to compare the antiviral powers of the GM rice that has produced the protein with protein isolated directly from Yuzhu.
Whether the sole role of this protein is to provide antiviral protection or whether it first evolved to fulfill other functions within the cell is an interesting question.