Transcriptomics

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Fine tuning of epithelial taste bud organoid to promote functional recapitulation of taste reactivity


ABSTRACT: Taste stem/progenitor cells from the mouse posterior tongue have been recently used to generate taste bud organoids. However, the inaccessible location of the taste receptor cells is observed in conventional organoids. Here, we established a suspension culture method for fine tuning of taste bud organoid by apicobasal polarity alteration to form the accessible localization of taste receptor cells in organoid. Compared to conventional Matrigel-embedded organoids, suspension-cultured organoids showed comparable differentiation and renewal rates to those of taste buds in vivo and exhibited functional taste receptor cells and cycling progenitor cells. Accessible taste receptor cells on the outer region of taste bud organoids enabled the direct application of calcium imaging for evaluating the taste response. Moreover, suspension-cultured organoids could be genetically altered using gene editing methods. Suspension-cultured taste bud organoid harmoniously integrated with the recipient lingual epithelium; maintained the taste receptor cells and gustatory innervation capacity. Thus, we propose that suspension-cultured organoids may provide efficient model for taste research including taste bud development, regeneration and transplantation

ORGANISM(S): Mus musculus

PROVIDER: GSE191169 | GEO | 2021/12/25

REPOSITORIES: GEO

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