CXCL12 and ovarian cancer: In the current study, we performed a comparative analysis on mRNA expression of CXCR3, CXCL-10 (IP-10), CXCR4, CXCL-12 (SDF-1α), IL-4 (interleukine-4) and IL-10 in tissues of benign and malignant ovarian tumors by the qRT-PCR method.