passages.id: split_5_test_2880_passage
passages.type: progene_text
passages.text: In addition , the 17 kDa protein levels in THP-1 cells were transiently increased , concomitant with a decrease in the 23 kDa ubiquitinated H2A , by treatment with phorbol 12-myristate 13-acetate or all-trans-retinoic acid , both of which induce differentiation .