CXCL1 and lung cancer: Both cytokines (IL-6, 10, 17, 27, 35; TNF-α; IFN-γ; TGF-β) and chemokines (CCL-2, 5, 18; CCR-4; CXCR-4; CX3CL-1; CXCL-1, 5, 8, 13) are very commonly targeted for lung cancer treatment, considering their biomarker roles [5].