The upregulation of FcγR‐related genes, such as FCGR3A, FCGR1A, LYN, SYK, FYN and SRC, was detected in the prefrontal cortex, hippocampus, heart and colon of our sepsis patients, but not in the kidneys or lungs (Figure 2A). The gene discussed is FYN; the disease is Sepsis.