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Fig. 1 | Biomarker Research

Fig. 1

From: Identification of exosomal microRNA panel as diagnostic and prognostic biomarker for small cell lung cancer

Fig. 1

Characterization of serum-derived exosomes from patients with small cell lung cancer (SCLC) and non-cancerous lung nodule. Serum-derived exosomes were isolated via ultracentrifugation as described in the methods. (A) Representative transmission electron microscopy images of serum-derived exosomes. (B–D) Size distribution and concentration of the isolated particles determined by nanoparticle tracking analysis (NTA). (E) Stacked bar graph showing percentage by exosome size. (F) Western blot analysis of serum-derived exosomal proteins to verify the expression of exosome biomarkers. Data are mean ± SDs; n = 5 per group

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