Accordingly, Western blot analysis revealed that exogenous CCL18 attenuated DHA-mediated downregulation in the expression of metastasis- and EMT-related genes, including MMP7, Snail, Slug, Vimentin, β-catenin, N-cadherin, and Zeb1, in NSCLC cells (Fig. 6A and B), further supporting the notion that DHA inhibits NSCLC cell metastasis possibly due to the downregulated CCL18 expression. The gene discussed is MMP7; the disease is non-small cell lung carcinoma.