CD74 and viral myocarditis: As displayed in Figure 7B, TXNDC12 was mainly enriched in glutathione metabolism pathway; AMD1 was mainly involved in cysteine and methionine metabolism, arginine and proline metabolism; TPM3 was mainly involved in cardiac muscle contraction, dilated cardiomyopathy, and dilated cardiomyopathy; CD74 is involved in antigen processing and presentation pathway; HLA-DPB1 is involved in viral myocarditis pathway.