2、viruslatentmembraneprotein1,soastolookforamorestableandconvenientwayofconstructingthespecialshRNAvector.METHODS:ThesiRNAcodingsequencestargetingEBVLMP1weredesigned;pshLMP1expressionvectorwasachievedbytheconventionalannealingmethod or PCRmethod,andthedifferencesofconstructivestrategies,constru