GBP4 and idiopathic pulmonary fibrosis: The ILA score [IPF transcripts] included 11 transcripts (BTN3A1, CPED1, CXCR6, GBP4, GPR174, IL7R, LBH, LPAR6, LRRC39, NAP1L2, PLBD1), six of which had a discordant direction of effect with the IPF score (BTN3A1, CPED1, GBP4, GPR174, LPAR6, NAP1L2).