Table 1.

Ligands and expression patterns for the ACKRs.

Gene	Ligands	Expression
ACKR1	CCL2, 5, 7, 11, 13, 14, 17; CXCL5, 6, 8, 11	Erythrocytes, vascular endothelial cells, and Purkinje cells
ACKR2	CCL2, 3, 3L1, 4, 5, 7, 8, 11, 12, 13, 17, 22	Lymphatic endothelial cells, leukocytes (especially B1 B cells), keratinocytes, and trophoblasts
ACKR3	CXCL11, 12	Hematopoietic cells, lymphatic endothelial cells, mesenchymal cells, and neuronal cells
ACKR4	CCL19, 21, 25; CXCL13	Lymphatic endothelial cells and epithelial cells