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- W4214568105 abstract "The enteric nervous system (ENS) regulates gastrointestinal motility, secretion, and absorption. Developmental ENS dysplasia causes intestinal ganglion dysfunction, including Hirschsprung's disease. Given their potential ability to replenish insufficient neurons, transplantation of enteric neural cells provides the prospect of a cure. In this study, we used an ex vivo mouse colon transplant model to demonstrate that treatment with collagenase and fibronectin altered the migration of transplanted cells from the direction of the colon surface toward the lumen. Collagenase-treated colons exhibited enhanced expression of type III and VI collagens, which inhibited fibronectin-induced enteric neural crest cell (ENCC) migration. Invasion of neurospheres into colon was dependent on preoperative treatment of recipient colon with collagenase and fibronectin, which enhanced neurosphere motility towards the direction of colon lumen. Infiltration of transplanted ENCCs into the colon increased proportionally to the degree of dedifferentiation of surrounding smooth muscle cells, which was induced in a neurosphere-dependent manner in collagenase-treated colon. Furthermore, induction of GDNF expression, a Ret ligand that promotes enteric neural cell migration, was observed in treated colons. Our results suggest that the environment provided by the extracellular matrix of the colon surface affects the direction of transplanted ENCC migration. Moreover, these findings demonstrating that ENCCs can be accepted by the recipient colon will help to refine current strategies for cell therapy." @default.
- W4214568105 created "2022-03-02" @default.
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- W4214568105 date "2022-04-01" @default.
- W4214568105 modified "2023-10-14" @default.
- W4214568105 title "Transplanted neural crest cells migrate toward Auerbach's plexus layer instead of the colon surface in recipient colon pretreated with collagenase and fibronectin" @default.
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- W4214568105 doi "https://doi.org/10.1016/j.bbrc.2022.02.094" @default.
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