In blood neutrophils, in the steady state (e.g. Myc, H2-DMb2, H2-M3, H2-Q7...) but also during infection e.g. Cxcl10, H2-D1, C4a, Psme1, Stat1, Psme2, more genes were upregulated in neutrophils from female mice. The gene discussed is PSME2; the disease is infection.