SLC18A3 and familial dilated cardiomyopathy: The expression levels of Chat, Vacht (vesicular acetylcholine transporter, VAChT), and Cht1 (high-affinity choline transporter, ChT-1) in cardiac tissue consistently decreased after CVB3 infection and failed to recover to baseline levels even in the chronic phase, which may contribute to the development of DCM (Figure 8B).