When DCM rats were treated with CT, the expression level of NHE1 was reversed, the level of Bax declined, and that of Bcl-2 level was elevated (Figures 4(a) and 4(b)), all of which were further proven by Western blot analysis (Figures 4(c) and 4(d)). This evidence concerns the gene SLC9A1 and familial dilated cardiomyopathy.