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. 2017 Nov 20;7:15840. doi: 10.1038/s41598-017-16066-1

Figure 4.

Figure 4

Purified VH-9.7 identifies human 44 GSC from orthotopic tumor xenografts. (a) Mouse brain coronal section shows whole-brain invasion of 44 GSC. Human nuclear mitotic apparatus protein (hNUMA) is specific to human cell nuclei (brown). Mouse nuclei counterstained with hemotoxylin (light blue). Black box indicates where the light micrograph was captured. Scale bar, 50 μm. (b) VH-9.7 specifically detects human cells from mouse brain homogenates (n = 6). No mean fluorescence intensity (MFI) signal difference was observed from normal mouse brain compared to negative control scFv-4-4-20 labeling. Histogram represents one trial of three technical replicates.