Research Article

MicroRNA-132, Delivered by Mesenchymal Stem Cell-Derived Exosomes, Promote Angiogenesis in Myocardial Infarction

Figure 1

Characterization of BMSCs and BMSC-derived exosomes. (a) Morphology of MSCs (P1, P3) observed under an inverted fluorescence microscope. Scale bar: 100 μm. (b) Phenotypic analysis of cell surface antigens of MSCs by flow cytometry (). (c) Surface marker proteins of BMSCs and BMSC-derived exosomes analyzed by Western immunoblotting (). (d) Morphology of MSC-derived exosomes under transmission electron microscopy. Scale bar: 200 nm. (e) The expression level of miR-132 determined by Q-PCR (). . NC: negative control.
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