RIPK3 and anemia (phenotype): Casp8–/–Ripk3–/– double‐knockout mice exhibit higher levels of RBCs and platelets than Casp8–/–Mlkl–/– double‐knockout mice.[34a] Our study revealed that RIPK3 regulates Abin1Q478H/Q478H anemia through necroptosis‐independent mechanisms.