conjugated a DNA aptamer with affinity for CD62L (aptamer LD201t1), which is present on naive T cells, to other aptamers that recognize PTK7 (aptamer sgc8), PD-L1 (aptamer PD-L1), or whole Ramos cells (B cell lymphoma; aptamer TE02). Here, CD274 is linked to B-cell non-Hodgkin lymphoma.