Abstract
The ability to cryopreserve organs would have an enormous impact in transplantation medicine. To investigate organ cryopreservation strategies, experiments are typically done on whole organs, or on cells in 2D culture. Whole organs are not amenable to high throughput investigation, while conventional 2D culture is limited to a single cell type and lacks the complexity of the whole organ. In this study, we examine kidney organoids as a model system for studying cryopreservation. Consistent with previous studies, we show that kidney organoids comprised of multiple cell types can be generated in 96-well plates, with an average of about 8 organoids per well. We present a live/dead staining and image analysis method for quantifying organoid viability and show that this method can be used for assessing cryoprotectant toxicity. Our results highlight the potential for using organoids for high throughput investigation of cryopreservation approaches.
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