In the CyTOF cohort, the MMD group exhibited elevated expression levels of CCR7, CCR10, CXCR3, CX3CR1, CD45RO, CD11b, CD11c, CD25, CD27, CD62L, HLA‐DR, p‐STAT3 and ERK compared to the HCs group. This evidence concerns the gene STAT3 and multiminicore myopathy.