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Induction of fibroblast growth factor 10 (FGF10) in the ileal crypt epithelium after massive small bowel resection suggests a role for FGF10 in gut adaptation
Author(s) -
Tai Cindy C.,
Curtis Jennifer L.,
Sala Frederic G.,
Del Moral Pierre M.,
Chokshi Nikunj,
Kanard Robert J.,
Al Alam Denise,
Wang Jin,
Burns R. Cartland,
Ford Henri R.,
Grishin Anatoly,
Wang Kasper S.,
Bellusci Saverio
Publication year - 2009
Publication title -
developmental dynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.634
H-Index - 141
eISSN - 1097-0177
pISSN - 1058-8388
DOI - 10.1002/dvdy.21667
Subject(s) - fgf10 , crypt , biology , progenitor cell , epithelium , fibroblast growth factor , in situ hybridization , intestinal epithelium , microbiology and biotechnology , cancer research , endocrinology , stem cell , gene expression , genetics , gene , receptor
We have previously reported that fibroblast growth factor 10 (FGF10) is crucial for the survival and proliferation of progenitor cells during embryonic gastrointestinal development. We sought to characterize the potential role of FGF10 signaling in the adaptive response following small bowel resection. Adult wild‐type and Fgf10 LacZ mice underwent 50% small bowel resection (SBR) or sham operation. Tissues were harvested 24 or 48 hr after surgery for histology, immunohistochemistry, and in situ hybridization. After SBR, Fgf10 expression was demonstrated in the epithelium at the base of the crypts. Moreover, there was a statistically significant increase in proliferating cells and goblet cells after SBR. In vitro studies using rat intestinal epithelial crypt (IEC‐6) cells exposed to medium with or without recombinant FGF10 showed increased proliferation and phosphorylation of Raf and AKT with the addition of FGF10. Our results suggest that FGF10 may play a therapeutic role in diseases involving intestinal failure. Developmental Dynamics 238:294–301, 2009. © 2008 Wiley‐Liss, Inc.