Fig. 7: Vitality testing of taste bud organoids after recording of electrophysiological activity.

***p < 0.001. Unpaired t test. The mean and SEM of 3 experiments are indicated. a Bright-field and fluorescence photographs of taste bud organoids at the end of the assay. Calcein-AM is for live cell staining (green). PI is for dead cell staining (red). b Quantitative statistics of green and red fluorescence in this figure (a)