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Loss of TBX3 enhances pancreatic progenitor generation from human pluripotent stem cells.

ABSTRACT: Tbx3 has been identified as a regulator of liver development in the mouse, but its function in human liver development remains unknown. TBX3 mutant human pluripotent stem cell (PSC) lines were generated using CRISPR/Cas9 genome editing. TBX3 loss led to impaired liver differentiation and an upregulation of pancreatic gene expression, including PDX1, during a hepatocyte differentiation protocol. Other pancreatic genes, including NEUROG3 and NKX2.2, displayed more open chromatin in the TBX3 mutant hepatoblasts. Using a pancreatic differentiation protocol, cells lacking TBX3 generated more pancreatic progenitors and had an enhanced pancreatic gene expression signature at the expense of hepatic gene expression. These data highlight a potential role of TBX3 in regulating hepatic and pancreatic domains during foregut patterning, with implications for enhancing the generation of pancreatic progenitors from PSCs.

SUBMITTER: Mukherjee S

PROVIDER: S-EPMC8580886 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Loss of TBX3 enhances pancreatic progenitor generation from human pluripotent stem cells

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