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

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© 2021 Aydin et al.

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Characterization of exosomes released from an autophagy-deficient and an autophagy-competent HCC cell line. (A) Cryogenic transmission electron microscopy (cryoTEM) images of exosomes purified from culture supernatants of autophagy-deficient (Huh-7.5) and autophagy-competent (HLE) HCC lines. Left panel (low magnification). Right panel (high magnification). (B) Top panel: Representative image of exosome Brownian motion in liquid phase using Nanoparticle tracking analysis (NTA). Bottom panel: Size distribution profile of exosomes with mean and mode of the population diameter ± standard error. (C) Exosome concentration in the culture supernatant quantified by NTA. The results are expressed as the mean ± standard deviation and analyzed by Student`s t-test. *P < 0.05. (D) Representative Western blot for TSG101 and CD9 in cell lysates and exosomes isolated from autophagy-deficient Huh-7.5 and autophagy-competent HLE cell cultures. All experiments were performed in triplicate.