Fig. 1 | Laboratory Investigation

Fig. 1

From: Thyroid cancer stem-like cell exosomes: regulation of EMT via transfer of lncRNAs

Fig. 1

Exosome Isolation. a Electron micrograph of uranyl acetate stained TPC-1 exosomes (top) showing typical exosomal cup-shaped morphology and CD9 ImmunoGold labeled (bottom) exosomes derived from cell culture isolated by polymeric precipitation and further purified by CD81 coated magnetic beads. Black arrows [3] indicate CD9 positive stained exosomes, white arrow [1] indicates not stained, or CD9 negative, exosome. b Nanoparticle Tracking Analysis of TPC-1 exosomes isolated and purified as the exosomes in the EM (a)

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