ILC3s from the spleen (SP) and small intestine (SI) have been shown to be phenotypically and functional different. Intestinal factors are likely to regulate transcriptional profiles and thereby function of ILC3s. The goal of this study is to analyze if SI ILC3s acquire a SP-similar transcriptional profile after in vitro culture. Therefore transcriptional profiles of cultured SI ILC3s were compared to freshly isolated ILC3s of the murine SP and the SI by RNA seq technology. Cell suspension were generated from both organs and ILC3s (CD117+, Thy1.2+, KLRG1-, lin- (CD3, CD8, CD11b, CD11c, CD19, B220, Gr-1, TCR, TCR, TER-119, NK1.1)) were sort purified. SI ILC3 were cultured for 7 days in vitro with IL-2, IL-7 and SCF. RNA was isolated and RNA sequencing was done using Ilumina Hiseq 2500 system and NuGEN Ovation RNA Seq System V2, with biological replicates. We show that intestinal ILC3 acquire a splenic-similar transcriptional profile after in vitro culture. SOURCE: Robert IvanekBioinformatics University of Basel

Pluto Bioinformatics

GSE114750: Comparison of transcriptional profiles of cultured intestinal ILC3s to freshly isolated splenic and intestinal ILC3s