In the CyTOF cohort, the MMD group exhibited elevated expression levels of CCR7, CXCR3, CXCR4, CX3CR1, CD45RO, CD11b, CD11c, CD27, CD62L, HLA‐DR, ERK and TGFβ compared to the HC group. This evidence concerns the gene TGFB1 and multiminicore myopathy.