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. 2021 Dec 8;8:1579–1596. doi: 10.2147/JHC.S327339

Figure 4.

Figure 4

Glypican 3 (GPC3)-enriched exosomes are release exclusively from autophagy-deficient hepatocellular carcinoma (HCC) cells. (A) Cell compartment breakdown of 129 proteins identified by proteomic analysis of exosomes isolated from autophagy-deficient Huh-7.5. (B) Representative immunogold-transmission electron microscopy images of exosomes labeled against glypican 1 (GPC1) and GPC3 after isolation from autophagy-deficient (Huh-7.5) and autophagy-competent (HLE) HCC lines. (C) Fluorescence histograms of bead-captured exosomes from Huh-7.5 and HLE stained for GPC1. (D) Fluorescence histograms of bead-captured exosomes from Huh-7.5 and HLE stained for GPC3. (E) Background fluorescence of bead-captured exosomes with primary antibody omitted. (F). Representative Western blot analysis of GPC1 and GPC3 in purified exosomes isolated from Huh-7.5 and HLE cultures. All experiments were in triplicate.