Adoptive transfer of CD8+ T cells from naïve C57BL/6 mice induced BM eosinophilia in SCID-bg mice compared to the 0.9% NaCl-injected control group (3.43 ± 0.58% vs. 1.29 ± 0.28% of total cells; P = 0.018, Fig. 3). The gene discussed is CD8A; the disease is Increased total eosinophil count.