Formalin fixed paraffin embedded (FFPE) liver biopsies from deceased ACLF and CLD-AD (CLD with acute decompensation but without ACLF) were retrospectively retrieved and subjected to dual colour IHC for CD16 and CD177 in order to investigate the tissue localization of the CD177+ neutrophil sub-population (Fig. 5A-D). This evidence concerns the gene CD177 and congenital secretory chloride diarrhea 1.