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Characterization of serum exosomes isolated by ultracentrifugation. A, Survival curves of C57BJ/L male mice exposed to 0 (control), 2.0, 6.5, or 8.0 Gy of total body irradiation (n = 10 per group). B, Exosomes were analyzed under electron microscopy. Bar 100 nm. C, The size distribution of exosomes analyzed by the qNano particle counter. D, Western immunoblotting of exosomal markers TSG101 and CD63 from different dose groups.
