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Targeting DLBCL cells via iRGD-Exo. (A) Confocal microscopy images of colocalization of exosomes in OCI-Ly8 cells. Nucleus was stained with DAPI (blue), cell membrane was stained with DiO (green), exosomes were labeled with PKH26 (red). Scale bar, 25 μm. (B) Flow cytometry analysis of the proportion of OCI-Ly8 cells that were bound to iRGD-Exo. **P < 0.01. All tests were repeated in triplicate.
