Among IFNγ-producing cells, CD8+T cells were the dominant source of IFNγ accounting for 56.8% of IFNγ+ lymphocytes within the tumour of Klrk1+/+ mice, while NK and NKT cells represented 9.8% and 8.1% respectively (Fig. 6a). The gene discussed is KLRK1; the disease is neoplasm.