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Cited by 469

The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.

Sox9+ ductal cells are multipotent progenitors throughout development but do not produce new endocrine cells in the normal or injured adult pancreas

Open access
Kopp, Janel L., Dubois, Claire L., Schaffer, Ashleigh E., Hao, Ergeng, Shih, Hung Ping, Seymour, Philip A., Ma, Jenny, Sander, Maike·2011·Development

Abstract

One major unresolved question in the field of pancreas biology is whether ductal cells have the ability to generate insulin-producing β-cells. Conclusive examination of this question has been limited by the lack of appropriate tools to efficiently and specifically label ductal cells in vivo. We generated Sox9CreERT2 mice, which, during adulthood, allow for labeling of an average of 70% of pancreatic ductal cells, including terminal duct/centroacinar cells. Fate-mapping studies of the Sox9+ domain revealed endocrine and acinar cell neogenesis from Sox9+ cells throughout embryogenesis. Very small numbers of non-β endocrine cells continue to arise from Sox9+ cells in early postnatal life, but no endocrine or acinar cell neogenesis from Sox9+ cells occurs during adulthood. In the adult pancreas, pancreatic injury by partial duct ligation (PDL) has been suggested to induce β-cell regeneration from a transient Ngn3+ endocrine progenitor cell population. Here, we identify ductal cells as a cell of origin for PDL-induced Ngn3+ cells, but fail to observe β-cell neogenesis from duct-derived cells. Therefore, although PDL leads to activation of Ngn3 expression in ducts, PDL does not induce appropriate cues to allow for completion of the entire β-cell neogenesis program. In conclusion, although endocrine cells arise from the Sox9+ ductal domain throughout embryogenesis and the early postnatal period, Sox9+ ductal cells of the adult pancreas no longer give rise to endocrine cells under both normal conditions and in response to PDL.

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Crossref · 10.1242/dev.056499

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Metadata

Authors
Kopp, J. L., Dubois, C. L., Schaffer, A. E., Hao, E., Shih, H. P., Seymour, P. A., Ma, J., & Sander, M.
Venue
Development
Published
2011-02-15
Volume
138
Issue
4
Pages
653-665
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W1981362835
Cited by
469
References
32
FWCI
40.38
Type
journal article
Language
en
Open access
bronze

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