In the AOM-only group (G2), levels of gamma-glutamyl transferase (GGT), 5′-nucleotidase (CD73), and lactate dehydrogenase (LDH) were markedly elevated to 2.58 nmol (95% CI: 2.19–2.97), 3.92 nmol (95% CI: 3.49–4.34), and 3.35 μmol (95% CI: 2.78–3.91), respectively, compared to 1.29 nmol (95% CI: 1.06–1.51), 1.64 nmol (95% CI: 1.26–2.03), and 1.43 μmol (95% CI: 1.28–1.63) in the vehicle control group (G1) (Figure 3). The gene discussed is NT5E; the disease is infectious otitis media.