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. 2018 Oct 18;8:15438. doi: 10.1038/s41598-018-33758-4

Figure 4.

Figure 4

Electron microscopy in situ hybridization for EBERs in exosomes. Exosomes were fixed overnight in 4% paraformaldehyde and electron microscopy in situ hybridization was performed using 10 nm gold labelled secondary antibody. EBER staining was observed in EBV infected cells (B95.8 and BL30-B95.8) (af), but not in non-infected cells (BL30) (gi). EBER staining was clearly localized to the exosomes. Scale bar = 100 nm.