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Cell-based therapy is a potential treatment option for neurointestinal diseases by serving as a source of neural progenitor cells to replace missing or abnormal enteric neurons. Using an ex vivo transplantation model, we recently demonstrated that treatment with collagenase and fibronectin promotes infiltration of transplanted enteric neural crest cells (ENCCs) toward the colon lumen. The aim of this study was to determine whether this new method also promotes colonization of transplanted ENCCs in vivo.Collagenase was applied locally on the anti-mesenteric area of the recipient colon using filter paper, followed by fibronectin. Neurospheres were generated from ENCCs isolated from fetal mouse intestines and transplanted into the collagenase and fibronectin-treated colon. Engraftment of neurospheres was confirmed by immunofluorescence.Neurospheres transplanted onto PBS- or fibronectin-treated colons were not observed to infiltrate to the muscle layer. However, when used in combination with type I collagenase and fibronectin in the recipient colon, transplanted neurospheres reached Auerbach's plexus.We demonstrated that transplanted neurospheres grow into Auerbach's plexus in the recipient colon pretreated with collagenase and fibronectin.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Citation

Tsuyoshi Kuwahara, Yoshitomo Yasui, Hisayoshi Yoshizaki, Mari Morikawa, Miyuki Kohno, Hideaki Okajima. Recipient colon preoperative treatment with type I collagenase and fibronectin promotes the growth of transplanted enteric neural crest cells into Auerbach's plexus. Pediatric surgery international. 2022 Sep 13


PMID: 36098794

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