CXCL6 and breast cancer: However, Li-Rong Yu et al. found some immune response proteins, including CCL23, CCL27, CXCL5, CCL26, CXCL6, GM-CSF, CXCL1, IFN-γ, IL-2, CXCL11, CXCL9, CCL17, CCL25, CXCL1, CCL3, and GDF-1 in doxorubicin-induced cardiotoxicity in breast cancer patients [35].