In a murine lymphoma model, ILC2s were able to produce a large amount of the CXCR2 ligands CXCL1 and CXCL2, and interaction with a CXCR2-expressing tumor was shown to induce massive tumor-specific apoptosis in a CXCR2-specific way [12]. The gene discussed is CXCL1; the disease is neoplasm.