IL4 and hereditary elliptocytosis: loads as compared to IFN-γR−/− (HO), IFN-γR+/− (HE), IFN-γ−/− (HO), IFN-γ+/− (HE), and IL-4−/− (HO) mice (p<0.05–0.005; Fig. 3A), whereas IL-4+/− (HE) mice harbored one order of magnitude higher Bacteroides/Prevotella spp.