However, D-gal-induced cardiac hypertrophy (Fig. 5g, i), myocardial IL-1β and IL-6 levels (Fig. 5j, k), and β-gal-positive cells (Supplementary Fig. 11a, 11b) were significantly reduced by the overexpression of miR-30a-5p. The gene discussed is IL6; the disease is cardiac hypertrophy.