CCL5 and facioscapulohumeral muscular dystrophy: As MSC mobility can also be regulated via CCL21‐CCR7 and CCL5‐CCR1,3,5 axes and CCL5 upregulation was detected in FSHD muscle biopsies (Rahimov et al., 2012), we also verified the expression of these chemokines and their receptors in normal, FSHD IM and in MSC cells.