Additional file 1 of The potential role of biomarkers CD28 and PF4 in the pathogenesis of idiopathic pulmonary fibrosis and their impact on the prognosis: an immune microenvironment analysis
Xrn1 knock out A549 cells were infected with WT A/Puerto Rico/8/1984 (H1N1) ("PR8"), or PA-X deficient PR8-PA(∆X) viruses, or mock infected for 16 hours before RNA extraction. 5’RACE was then performe