WASP and Mst1 are indispensable for the development of the mice and critical to control inflammation. Images of WT, WASP KO, Mst1 KO, and DKO mice (A) and spleen (B) from WT, WASP KO, Mst1 KO, and DKO mice at 2 months of age (n = 5). (C) Hematoxylin and eosin staining of liver, kidney, and colon from WT, WASP KO, Mst1 KO, and DKO mice. Data are representative of at least 2 independent experiments.