CXCL1 and neoplasm: Additional qRT-PCR-analysis of the chemokines CXCL1, CXCL9, CXCL10, CXCL11, CXCL14, CCL20 and CCL27 did not show any consistent regulation of expression after stimulation with IM in any concentration in both tumor cell lines and HEK (data not shown).