ST8SIA1 and inborn error of immunity: Ferroptosis, linoleic acid metabolism, nitrogen hematopoietic cell lineage, intestinal immune network for IgA production, primary immunodeficiency, Th1 and Th2 cell differentiation were significantly enriched in the high ST8SIA1 subgroup, while ferroptosis, linoleic acid metabolism, nitrogen hematopoietic cell lineage, intestinal immune network for IgA production, primary immunodeficiency, Th1 and (Supplementary Figure 3C).