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Nkx2.1 expression in the SVZ and cortical plate (CP) of a 21-week-old fetal brain. Immunoblot compares the expression of Nkx2.1 in the cortical SVZ and the CP. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is used as a loading control. Protein loading: 20 μg/well.
