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. 2021 Nov 6;7:337. doi: 10.1038/s41420-021-00729-0

Fig. 4. EVs shuttle HMGB1 to AML-12 by transferrin-mediated endocytosis.

Fig. 4

a Representative confocal microscopy micrographs of AML-12 cells after co-culture with purified PKH67-EVs. b HMGB1-GFP EVs uptake occurred in vitro and in vivo. c The co-localization of internalized EVs and AML-12 endosomes (EEA1, Rab5, Rab7) or Lamp1. d The expression of transferrin receptor in EVs, the co-localization of internalized EVs with AML-12 transferrin. e The LPS-EVs absorbed by AML-12 cells. f Cytoplasmic HMGB1 in AML-12 cells. (**) P < 0.01 versus control group. (##) P < 0.01 versus EVs group.