Consistent with lack of expression of CD19 by JRT3-T3.5 T cells, CD19 CAR-iNKT failed to impact the growth of T cell lymphoma tumours; by contrast, TCRVβ2 CAR-iNKT cells significantly inhibited tumour growth as measured by tumour volume and weight (Figures 2F, G). Here, CD19 is linked to neoplasm.