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Article Abstract

Purpose: Stem cell therapy offers a promising solution for congenital diseases like Hirschsprung's disease (HSCR). Optimizing stem cell efficacy by modifying the cells and their environment is crucial, but in vitro culture conditions need to be further improved. Glial cell-derived neurotrophic factor (GDNF) plays an important role in neuronal survival, proliferation, migration and differentiation during enteric nervous system (ENS) development. In this study, the effects of GDNF on neurites derived from an Ednrb knockout model were investigated with the aim of enhancing the neurogenic potential of enteric neural crest cells (ENCCs).

Methods: Neurospheres were generated form Ednrb (control) and Ednrb mice at embryonic day13.5 (E13.5) with Sox10-green fluorescent protein (Venus) transgenic expression. These neurospheres were cultured in control media and neurospheres from Ednrb were cultured with either control media or media supplemented with GDNF. ENCCs differentiation was assessed using immunofluorescence staining after 18 days.

Results: GDNF-treated Ednrb neurospheres showed increased size and higher density of Sox10-positive ENCCs compared to untreated Ednrb neurospheres. GDNF also enhanced the distribution of both TUJ1-positive neurons and S100-positive glial cells.

Conclusion: GDNF effectively enhanced the neurogenic potential of ENCCs from HSCR animal model. This finding is crucial for the development of cell therapy in HSCR.

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http://dx.doi.org/10.1007/s00383-024-05861-3DOI Listing

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