Abstract
Neural differentiation of mesenchymal stromal cells has been widely studied. However, a comparative characterization of ultrastructural changes during neural differentiation has not been performed. In this study, we conducted scanning electron microscopy and transmission electron microscopy analysis to show the morphological changes in mesenchymal stromal cells upon induction of neural differentiation. In addition, transmission electron microscopy results demonstrated ultrastructural differences between human cranial bone marrow mesenchymal stromal cells and iliac crest bone marrow mesenchymal stromal cells. We propose that enriched microvesicles in cranial bone marrow mesenchymal stromal cells may be responsible for the increased efficiency of neural differentiation.
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