CXCL9 and hereditary sensory and autonomic neuropathy: In addition, the CIP associated T cells expressed high levels of the chemokine receptor genes CXCR4 and CXCR6 (Fig. 8F), with the myeloid cell ligands CXCL9/10/11 expressed in CIP associated monocytes and DCs (Fig. 8D, E).