Expression of CXCR6 (Fig. 1C) and CXCL16 (Fig. 2E) was also quantified by flow cytometry in normal ovarian epithelial cells (IOSE-7576), highly invasive (SKOV-3) and less invasive (OVCAR-3) ovarian adenocarcinoma cell lines. Here, CXCR6 is linked to ovarian adenocarcinoma.