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Some differentiated cells formed intercellular bridges (A, B, C) (magnification×200). Fluorescence microscopy of in vitro-differentiated neural cells derived from hUC-MSCs. At the 28thd after the induction of differentiation, many inoculated hUC-MSC expressed neuronal cell antigens NSE, GFAP, nestin, and also show long neurite growth (magnification×200), bP<0.01.
