Abstract
The correlation between the CCL20/CCR6 axis and autoimmune and non-autoimmune disorders is widely recognized. Inhibition of the CCL20-dependent cell migration represents therefore a promising approach for the treatment of many diseases, such as inflammatory bowel diseases and colorectal cancer. We report herein our efforts to explore the biologically relevant chemical space around the benzofuran scaffold of MR120, a modulator of the CCL20/CCR6 axis previously discovered by our group. A functional screening allowed us to identify C4 and C5-substituted derivatives as the most effective inhibitors of the CCL20-induced chemotaxis of human peripheral blood mononuclear cells (PBMC). Moreover, selected compounds (16 e and 24 b) also proved to potently inhibit the growth of different colon cancer cell lines, with cytotoxic/cytostatic and antiproliferative activity.
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