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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: J Mol Med (Berl). 2015 Apr 14;93(9):991–1001. doi: 10.1007/s00109-015-1279-x

Fig. 1.

Fig. 1

Visualization of the delivery of IO-labeled cells to mouse brain by bSSFP MRI. 231BR (a) and 4T1-BR5 (b) cells stained with PPB and counterstained with NFR to detect the presence of iron labeling. Intracellular iron (blue) was detected in the cytoplasm of IO-labeled cells. Representative images are shown. Magnification, ×40; scale bar=30 μm. c Axial MR image of a mouse within 24 h after injection with 1.5×105 IO-labeled 231BR cells. d Axial MR image of mouse within 24 h after injection with 2×104 IO-labeled 4T1-BR5 cells. White arrows indicate examples of signal void