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. 2021 Feb 1;23(4):245. doi: 10.3892/mmr.2021.11884

Figure 2.

Figure 2.

SK-N-BE(2) cells deliver miR-17-5p to SH-SY5Y cells through exosomes. (A) Transmission electron micrograph of SK-N-BE(2) cell-derived exosomes. Scale bar, 100 nm. (B) Nanoparticle tracking analysis was employed for analyzing exosomes. (C) Markers of exosomes such as CD63 and TSG101 proteins, were detected by western blot assay in SK-N-BE(2) cell-derived exosomes and cell culture supernatants. (D) miR-17-5p expression in SK-N-BE(2) and SH-SY5Y cell-derived exosomes. miR-17-5p expression in SK-N-BE(2) exosomes was 7.0±1.9-fold higher compared with SH-SY5Y cells. (E) miR-17-5p expression in SH-SY5Y co-cultured with exosomes derived from SK-N-BE(2) cells via reverse transcription-quantitative PCR. **P<0.01. miR, microRNA; TSG101, tumor susceptibility gene 101 protein.