CCL11 and metabolic syndrome: However, despite these findings, and, although eotaxins are known key eosinophil chemoattractants, we found no differences in the circulating levels of eotaxin-1/CCL11 and eotaxin-3/CCL26 between the groups, but circulating levels of eotaxin-2/CCL24 were significantly lower in the metabolic syndrome group.