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. 2018 Oct 16;17(1):323–331. doi: 10.3892/ol.2018.9584

Figure 4.

Figure 4.

HBV-associated exosomes modulate drug resistance via CMA pathway activation. (A) Western blotting revealed that Lamp2a was highly expressed following treatment with oxaliplatin in the HBV-associated exosome group compared with in the non-HBV exosome and blank control groups, and (B) that Lamp2a was upregulated by HBV-associated exosomes in a concentration-dependent manner. (C) Transfection efficiency of shRNA as assessed using fluorescence microscopy. (D) Interference efficiency of shRNA in HepG2 cells as assessed by western blotting. (E) The anti-apoptotic effects of HBV-associated exosomes in HepG2 cells were reversed by Lamp2a silencing. Lamp2a, lysosome-associated membrane protein; HBV, hepatitis B virus; oxa, oxaliplatin; CMA, chaperone-mediated autophagy; shRNA, short hairpin RNA; UR, upper right; LR, lower right; Ctr, control; PBS, phosphate-buffered saline; NC, negative control; GAPDH, glyceraldehyde 3-phosphate dehydrogenase.