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P75NTR expression in Schwann cells after the second round of purification (immunofluorescent staining). Scale bar: 40 μm.
All cells in a bipolar or tripolar shape were positive for P75NTR (red), while flat-shaped fibroblasts (arrows) were negative. Nuclei were visualized by 4′-6-diamidino-2- phenylindole staining (blue).
(A, B) Light microscope; (C, D) fluorescent microscope.
