KIAA0753 and myocardial infarction: To verify whether the M1‐MnR circuit was involved in the regulation of cardiac function in MI mice, we injected anterograde trans‐neuronal transport of AAV1‐CMV‐Cre‐GFP into the M1 and AAV9‐DIO‐ChR2‐mCherry into the MnR in MI mice (Figure 9A).