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Cell retention on Starwheel cultured disks (A) and BRECS cultured disks (B) are, respectively, shown by nuclear stain (DAPI). Of note, the significantly lower renal epithelial cell (REC) density on the Starwheel cultured disk (A) does not allow for visualization of the trabeculated disk structure, as opposed to the well-defined trabeculation observed on the BRECS cultured disk, due to high REC density (B). Scale bars: 100 µm.
