In all studied subjects (T1DM and HCs), miR-342-3p was inversely correlated with IL-6 (r2 = 0.246, p = 0.031), IL-8 (r2 = 0.251, p = 0.029) and TNF-α (r2 = 0.230, p = 0.038). The gene discussed is CXCL8; the disease is type 1 diabetes mellitus.