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Fig. 5 | Cell Communication and Signaling

Fig. 5

From: Abi1 loss drives prostate tumorigenesis through activation of EMT and non-canonical WNT signaling

Fig. 5

RWPE-1 ABI1 KO spheroids exhibit invasive migratory phenotype in 3D Matrigel cultures. Time-lapse images acquired overnight of representative spheroids showing key features of the spheroids. Cells were plated in 50% Matrigel and allowed to grow for 6 days before live overnight imaging (every 5 min for 14 h). (a) RWPE-1 parental, (b) Control clone 16, (c) ABI1 KO clone 12, (d) ABI1 KO clone 35, (e) ABI1 rescue Isoform 2, (f) ABI1 rescue Isoform 3 cells. (g-h) Analysis of the morphology and behavior of the spheroids was performed by quantifying the percentage of organoids exhibiting the following characteristics: spinning, spherical shape, grape-like morphology, projections and cell budding/migration from the spheroid. The control spheroids show a spherical shape, while the KO spheroids do not (black outline). KO spheroids feature projections (black filled arrows) and cells trying to escape from the organoid (white arrows). The data represent n = 3 experiments (18–25 spheroids per cell line per experiment) and were normalized to the parental RWPE-1 cell data. The graph was generated with Prism software, and the results are presented as the mean ± SEM, unpaired Student’s t-test with p-values * (p < 0.05), ** (p < 0.01), *** (p < .001), and **** (p < 0.0001)

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