CAMP (AUC: 0.939), LTF (AUC: 0.878), DEFA1B (AUC: 0.837), SAMD9(AUC: 0.837), GBP1(AUC: 0.816), DDX60 (AUC: 0.796), DEFA4 (AUC: 0.735), and OAS3(AUC: 0.755) were found to be useful for distinguishing GBS patients from healthy individuals showed good diagnostic efficiency (Figure 8A). The gene discussed is DEFA4; the disease is Guillain-Barre syndrome.