passages.id: split_1_test_3130_passage
passages.type: progene_text
passages.text: Furthermore , the involvement of the inflammatory mediators ' interleukins 1 and 6 and tumor necrosis factor in the regulation of this gene cluster was tested in cultured pig hepatocytes , incubated with those mediators and apo A-I / C-III / A-IV gene cluster expression at the mRNA level was measured .