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. 2020 Jul 22;10:12237. doi: 10.1038/s41598-020-69242-1

Figure 2.

Figure 2

NPNT protein is expressed in mouse model systems of BC. NPNT protein is present in MMTV-PyMT transgenic mice that naturally develop BC, and human cancer cells xenografts. (a) Normal FVB mouse breast tissue (14 weeks, N = 2), breast tissue from pregnant FVB mice (12 weeks, N = 2) and fully developed BC mouse tissues (14 weeks, N = 2) were analysed for the presence of NPNT protein expression by IHC. (b) Human BC cell lines MCF-7, SK-BR-3 and BT474, were injected subcutaneously to create xenograft tumours (N = 2). Tumours were harvested, fixed, sectioned and analysed by IHC for the presence of NPNT protein. Controls: primary antibody was omitted. (c) ImmunoRatio (https://153.1.200.58:8080/immunoratio/) was used to quantify the staining intensities in the IHC stained human xenograft tumours. 15 images were recorded per tumour (n = 30), p = 0.0001. Information on the cell line’s receptor status was gathered from reference23.