CXCL12 and Miyoshi myopathy: Interestingly, it has been shown that the secretion of CXCL9 and CXCL10 by stromal cells, associated with a downregulation of CXCL12 secretion, decreases CXCR3 expression in NK cells isolated from MM patients, acting as an “exit signal driving NK cells outside the bone marrow” [97].