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. The gene discussed is SELL; the disease is multiminicore myopathy.