CXCR4 and multiminicore myopathy: 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.