CXCR3 and chronic kidney disease: Moreover, analysis of the expression of chemokine receptor demonstrated that expanded alloTregs from both CKD patients and controls showed high expressions of CXCR3, CCR4, and CCR2, recently reported to play an important role in Treg graft homing (23), while alloTregs displayed very low levels of CCR7 in both groups (Figure 9).