passages.id: split_4_test_2672_passage
passages.type: progene_text
passages.text: When HIV-1 challenge studies were performed on stable 3R6-1 - expressing Jurkat T cells , near complete inhibition of viral replication was obtained at a low challenge dose , and 74 - 88 % inhibition to HIV-1 replication was achieved at a high infection dose in SupT1 cells .