CXCR4 and multiminicore myopathy: 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.