Lack of shielding of primer binding site silencer-mediated repression of an internal promoter in a retrovirus vector by the putative insulators scs, BEAD-1, and HS4

缺乏对引物结合位点沉默子介导的逆转录病毒载体内部启动子抑制的屏蔽，因为假定的绝缘子 scs、BEAD-1 和 HS4