In the CyTOF cohort, the MMD group exhibited elevated expression levels of CCR7, CD14, CXCR3, CXCR4, CX3CR1, CD45RA, CD45RO, CD11b, HLA‐DR, ERK, p‐STAT3, p‐STAT4 and TGFβ compared to the HC group. This evidence concerns the gene STAT3 and multiminicore myopathy.