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Anticancer effects of U87-Selu exo and A549-Selu exo in vivo. (a) Tumor volume changes up to 10 days after tumor induction, n = 5. (b) Tumor growth inhibition changes up to 10 days after tumor induction (red line: 100 % TGI). (c) Cleaved caspase-3 and Ki67 immunohistochemistry images of tumor. ** p < 0.01, *** p < 0.001 vs. saline group; # p < 0.05 and ### p < 0.001 vs. A549-Selu exo, n = 3. Scale bar: 100 µm. Data represented as mean ± SD.
